23031365836 has 24 divisors (see below), whose sum is σ = 42206994144. Its totient is φ = 10975789440.

The previous prime is 23031365827. The next prime is 23031365873. The reversal of 23031365836 is 63856313032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419595 + ... + 471298.

It is an arithmetic number, because the mean of its divisors is an integer number (1758624756).

Almost surely, 2^23031365836 is an apocalyptic number.

It is an amenable number.

23031365836 is a deficient number, since it is larger than the sum of its proper divisors (19175628308).

23031365836 is a wasteful number, since it uses less digits than its factorization.

23031365836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891201 (or 891199 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 23031365836 its reverse (63856313032), we get a palindrome (86887678868).

The spelling of 23031365836 in words is "twenty-three billion, thirty-one million, three hundred sixty-five thousand, eight hundred thirty-six".