23493117864 has 32 divisors (see below), whose sum is σ = 59560021440. Its totient is φ = 7720742400.

The previous prime is 23493117803. The next prime is 23493117871. The reversal of 23493117864 is 46871139432.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 6891817 + ... + 6895224.

It is an arithmetic number, because the mean of its divisors is an integer number (1861250670).

Almost surely, 2^23493117864 is an apocalyptic number.

23493117864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23493117864 is an abundant number, since it is smaller than the sum of its proper divisors (36066903576).

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

23493117864 is a wasteful number, since it uses less digits than its factorization.

23493117864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13787121 (or 13787117 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

It can be divided in two parts, 2349 and 3117864, that added together give a palindrome (3120213).

The spelling of 23493117864 in words is "twenty-three billion, four hundred ninety-three million, one hundred seventeen thousand, eight hundred sixty-four".