23330947964943 has 64 divisors (see below), whose sum is σ = 32475935232000. Its totient is φ = 14880541433856.

The previous prime is 23330947964921. The next prime is 23330947964953. The reversal of 23330947964943 is 34946974903332.

It is a Cunningham number, because it is equal to 4830212²-1.

It is a de Polignac number, because none of the positive numbers 2^k-23330947964943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330947964953) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5636854168 + ... + 5636858306.

It is an arithmetic number, because the mean of its divisors is an integer number (507436488000).

Almost surely, 2^{23330947964943} is an apocalyptic number.

23330947964943 is a deficient number, since it is larger than the sum of its proper divisors (9144987267057).

23330947964943 is a wasteful number, since it uses less digits than its factorization.

23330947964943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 317447424, while the sum is 66.

The spelling of 23330947964943 in words is "twenty-three trillion, three hundred thirty billion, nine hundred forty-seven million, nine hundred sixty-four thousand, nine hundred forty-three".