23665959406 has 8 divisors (see below), whose sum is σ = 35499745224. Its totient is φ = 11832711000.

The previous prime is 23665959391. The next prime is 23665959413. The reversal of 23665959406 is 60495956632.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4401 + ... + 217603.

It is an arithmetic number, because the mean of its divisors is an integer number (4437468153).

Almost surely, 2^23665959406 is an apocalyptic number.

23665959406 is a deficient number, since it is larger than the sum of its proper divisors (11833785818).

23665959406 is a wasteful number, since it uses less digits than its factorization.

23665959406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268706.

The product of its (nonzero) digits is 10497600, while the sum is 55.

It can be divided in two parts, 236659 and 59406, that added together give a triangular number (296065 = T₇₆₉).

The spelling of 23665959406 in words is "twenty-three billion, six hundred sixty-five million, nine hundred fifty-nine thousand, four hundred six".