23315607899 has 4 divisors (see below), whose sum is σ = 24687114264. Its totient is φ = 21944101536.

The previous prime is 23315607859. The next prime is 23315607907. The reversal of 23315607899 is 99870651332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23315607899 - 2¹² = 23315603803 is a prime.

It is a super-2 number, since 2×23315607899² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23315607899.

It is not an unprimeable number, because it can be changed into a prime (23315607859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685753157 + ... + 685753190.

It is an arithmetic number, because the mean of its divisors is an integer number (6171778566).

Almost surely, 2^23315607899 is an apocalyptic number.

23315607899 is a deficient number, since it is larger than the sum of its proper divisors (1371506365).

23315607899 is a wasteful number, since it uses less digits than its factorization.

23315607899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371506364.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 23315607899 in words is "twenty-three billion, three hundred fifteen million, six hundred seven thousand, eight hundred ninety-nine".