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23231421212103 = 3213449511986389
BaseRepresentation
bin1010100100000111111001…
…00110111110010111000111
310001020220100200120102110200
411102003330212332113013
511021110422312241403
6121224211221221543
74615262163102246
oct522037446762707
9101226320512420
1023231421212103
1174474326a56a5
1227324a3b618b3
13cc6937a926b0
145a459a31495d
152a448130cca3
hex1520fc9be5c7

23231421212103 has 48 divisors (see below), whose sum is σ = 36225745920000. Its totient is φ = 14261467336704.

The previous prime is 23231421212003. The next prime is 23231421212203. The reversal of 23231421212103 is 30121212413232.

23231421212103 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 1 + 421 + 21 + 210 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (23231421212003) and next prime (23231421212203).

It is not a de Polignac number, because 23231421212103 - 217 = 23231421081031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231421212003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268873233 + ... + 268959621.

It is an arithmetic number, because the mean of its divisors is an integer number (754703040000).

Almost surely, 223231421212103 is an apocalyptic number.

23231421212103 is a deficient number, since it is larger than the sum of its proper divisors (12994324707897).

23231421212103 is a wasteful number, since it uses less digits than its factorization.

23231421212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91976 (or 91973 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23231421212103 its reverse (30121212413232), we get a palindrome (53352633625335).

The spelling of 23231421212103 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred twenty-one million, two hundred twelve thousand, one hundred three".

Divisors: 1 3 9 13 39 117 449 1347 4041 5119 5837 15357 17511 46071 52533 66547 86389 199641 259167 598923 777501 1123057 2298431 3369171 6895293 10107513 20685879 29879603 38788661 89638809 116365983 268916427 349097949 442225291 504252593 1326675873 1512757779 3980027619 4538273337 5748928783 17246786349 51740359047 198559155659 595677466977 1787032400931 2581269023567 7743807070701 23231421212103