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23012022123 = 322324833443
BaseRepresentation
bin10101011011100111…
…111001011101101011
32012101202011211211200
4111123213321131223
5334112034201443
614323243255243
71443154650336
oct253347713553
965352154750
1023012022123
119839760902
12456281a523
13222970b24c
14118433b61d
158ea3d6dd3
hex55b9f976b

23012022123 has 18 divisors (see below), whose sum is σ = 34747628916. Its totient is φ = 14674329912.

The previous prime is 23012022109. The next prime is 23012022127. The reversal of 23012022123 is 32122021032.

It is not a de Polignac number, because 23012022123 - 28 = 23012021867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012022096 and 23012022105.

It is not an unprimeable number, because it can be changed into a prime (23012022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2411961 + ... + 2421482.

Almost surely, 223012022123 is an apocalyptic number.

23012022123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23012022123 is a deficient number, since it is larger than the sum of its proper divisors (11735606793).

23012022123 is a wasteful number, since it uses less digits than its factorization.

23012022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833495 (or 4833469 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23012022123 its reverse (32122021032), we get a palindrome (55134043155).

The spelling of 23012022123 in words is "twenty-three billion, twelve million, twenty-two thousand, one hundred twenty-three".

Divisors: 1 3 9 23 69 207 529 1587 4761 4833443 14500329 43500987 111169189 333507567 1000522701 2556891347 7670674041 23012022123