23931519604 has 12 divisors (see below), whose sum is σ = 41886262404. Its totient is φ = 11964016064.

The previous prime is 23931519587. The next prime is 23931519607. The reversal of 23931519604 is 40691513932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15457948900 + 8473570704 = 124330^2 + 92052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23931519607) 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, 404809 + ... + 460144.

It is an arithmetic number, because the mean of its divisors is an integer number (3490521867).

Almost surely, 2^23931519604 is an apocalyptic number.

It is an amenable number.

23931519604 is a deficient number, since it is larger than the sum of its proper divisors (17954742800).

23931519604 is a wasteful number, since it uses less digits than its factorization.

23931519604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871874 (or 871872 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 23931519604 in words is "twenty-three billion, nine hundred thirty-one million, five hundred nineteen thousand, six hundred four".