23397678761 has 32 divisors (see below), whose sum is σ = 25530163200. Its totient is φ = 21387824640.

The previous prime is 23397678737. The next prime is 23397678769. The reversal of 23397678761 is 16787679332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23397678761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23397678761.

It is not an unprimeable number, because it can be changed into a prime (23397678769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28921325 + ... + 28922133.

It is an arithmetic number, because the mean of its divisors is an integer number (797817600).

Almost surely, 2^23397678761 is an apocalyptic number.

It is an amenable number.

23397678761 is a deficient number, since it is larger than the sum of its proper divisors (2132484439).

23397678761 is a wasteful number, since it uses less digits than its factorization.

23397678761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its digits is 16003008, while the sum is 59.

The spelling of 23397678761 in words is "twenty-three billion, three hundred ninety-seven million, six hundred seventy-eight thousand, seven hundred sixty-one".