23431368508 has 12 divisors (see below), whose sum is σ = 41007694392. Its totient is φ = 11714884400.

The previous prime is 23431368419. The next prime is 23431368509. The reversal of 23431368508 is 80586313432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431368509) 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, 131443 + ... + 253258.

It is an arithmetic number, because the mean of its divisors is an integer number (3417307866).

Almost surely, 2^23431368508 is an apocalyptic number.

It is an amenable number.

23431368508 is a deficient number, since it is larger than the sum of its proper divisors (17576325884).

23431368508 is a wasteful number, since it uses less digits than its factorization.

23431368508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399932 (or 399930 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 23431368508 in words is "twenty-three billion, four hundred thirty-one million, three hundred sixty-eight thousand, five hundred eight".