23380391966399 has 32 divisors (see below), whose sum is σ = 25328738232000. Its totient is φ = 21453841465344.

The previous prime is 23380391966377. The next prime is 23380391966411. The reversal of 23380391966399 is 99366919308332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23380391966399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23380391966369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6606494972 + ... + 6606498510.

It is an arithmetic number, because the mean of its divisors is an integer number (791523069750).

Almost surely, 2^{23380391966399} is an apocalyptic number.

23380391966399 is a deficient number, since it is larger than the sum of its proper divisors (1948346265601).

23380391966399 is a wasteful number, since it uses less digits than its factorization.

23380391966399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307.

The product of its (nonzero) digits is 306110016, while the sum is 71.

The spelling of 23380391966399 in words is "twenty-three trillion, three hundred eighty billion, three hundred ninety-one million, nine hundred sixty-six thousand, three hundred ninety-nine".