23490840664 has 16 divisors (see below), whose sum is σ = 44049993120. Its totient is φ = 11744175840.

The previous prime is 23490840649. The next prime is 23490840679. The reversal of 23490840664 is 46604809432.

It is an interprime number because it is at equal distance from previous prime (23490840649) and next prime (23490840679).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72747 + ... + 228634.

It is an arithmetic number, because the mean of its divisors is an integer number (2753124570).

Almost surely, 2^23490840664 is an apocalyptic number.

It is an amenable number.

23490840664 is a deficient number, since it is larger than the sum of its proper divisors (20559152456).

23490840664 is a wasteful number, since it uses less digits than its factorization.

23490840664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311130 (or 311126 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

It can be divided in two parts, 234908 and 40664, that added together give a palindrome (275572).

The spelling of 23490840664 in words is "twenty-three billion, four hundred ninety million, eight hundred forty thousand, six hundred sixty-four".