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23021220342141 = 327254787952823
BaseRepresentation
bin1010011110000000010111…
…01010010010100101111101
310000111210210102112212001200
411033000023222102211331
511004134424401422031
6120543445211130113
74564141205143500
oct517001352224575
9100453712485050
1023021220342141
1173762767a295a
1226b9800143939
13cacb79285ab8
14598339543137
1529dc7c54d8e6
hex14f00ba9297d

23021220342141 has 36 divisors (see below), whose sum is σ = 38682661092192. Its totient is φ = 13154729135184.

The previous prime is 23021220342037. The next prime is 23021220342149. The reversal of 23021220342141 is 14124302212032.

23021220342141 is a `hidden beast` number, since 2 + 3 + 0 + 212 + 20 + 3 + 421 + 4 + 1 = 666.

It is not a de Polignac number, because 23021220342141 - 29 = 23021220341629 is a prime.

It is a super-2 number, since 2×230212203421412 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021220342149) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23684656 + ... + 24637478.

It is an arithmetic number, because the mean of its divisors is an integer number (1074518363672).

Almost surely, 223021220342141 is an apocalyptic number.

23021220342141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23021220342141 is a deficient number, since it is larger than the sum of its proper divisors (15661440750051).

23021220342141 is a wasteful number, since it uses less digits than its factorization.

23021220342141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007630 (or 1007620 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 23021220342141 its reverse (14124302212032), we get a palindrome (37145522554173).

The spelling of 23021220342141 in words is "twenty-three trillion, twenty-one billion, two hundred twenty million, three hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 49 63 147 441 54787 164361 383509 493083 952823 1150527 2684563 2858469 3451581 6669761 8053689 8575407 20009283 24161067 46688327 60027849 140064981 420194943 52202313701 156606941103 365416195907 469820823309 1096248587721 2557913371349 3288745763163 7673740114047 23021220342141