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23131423304 = 2311262857083
BaseRepresentation
bin10101100010101111…
…011000001001001000
32012201001212001110122
4111202233120021020
5334333121021204
614343150402412
71446134565623
oct254257301110
965631761418
1023131423304
1198a00a3770
124596800408
132248385732
14119613cdba
15905b200be
hex562bd8248

23131423304 has 16 divisors (see below), whose sum is σ = 47314275120. Its totient is φ = 10514283280.

The previous prime is 23131423291. The next prime is 23131423309. The reversal of 23131423304 is 40332413132.

It is not an unprimeable number, because it can be changed into a prime (23131423309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131428454 + ... + 131428629.

It is an arithmetic number, because the mean of its divisors is an integer number (2957142195).

Almost surely, 223131423304 is an apocalyptic number.

It is an amenable number.

23131423304 is an abundant number, since it is smaller than the sum of its proper divisors (24182851816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131423304 is a wasteful number, since it uses less digits than its factorization.

23131423304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262857100 (or 262857096 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23131423304 its reverse (40332413132), we get a palindrome (63463836436).

The spelling of 23131423304 in words is "twenty-three billion, one hundred thirty-one million, four hundred twenty-three thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 88 262857083 525714166 1051428332 2102856664 2891427913 5782855826 11565711652 23131423304