23131000233 has 12 divisors (see below), whose sum is σ = 36448849008. Its totient is φ = 14018787960.

The previous prime is 23131000229. The next prime is 23131000237. The reversal of 23131000233 is 33200013132.

It is an interprime number because it is at equal distance from previous prime (23131000229) and next prime (23131000237).

It is not a de Polignac number, because 23131000233 - 2² = 23131000229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131000237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116823135 + ... + 116823332.

It is an arithmetic number, because the mean of its divisors is an integer number (3037404084).

Almost surely, 2^23131000233 is an apocalyptic number.

It is an amenable number.

23131000233 is a deficient number, since it is larger than the sum of its proper divisors (13317848775).

23131000233 is a wasteful number, since it uses less digits than its factorization.

23131000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233646484 (or 233646481 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23131000233 its reverse (33200013132), we get a palindrome (56331013365).

The spelling of 23131000233 in words is "twenty-three billion, one hundred thirty-one million, two hundred thirty-three", and thus it is an aban number.