23378530861 has 16 divisors (see below), whose sum is σ = 26826121728. Its totient is φ = 19958054400.

The previous prime is 23378530843. The next prime is 23378530891. The reversal of 23378530861 is 16803587332.

It is a cyclic number.

It is not a de Polignac number, because 23378530861 - 2⁷ = 23378530733 is a prime.

It is a super-3 number, since 3×23378530861³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378530801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1843101 + ... + 1855741.

It is an arithmetic number, because the mean of its divisors is an integer number (1676632608).

Almost surely, 2^23378530861 is an apocalyptic number.

It is an amenable number.

23378530861 is a deficient number, since it is larger than the sum of its proper divisors (3447590867).

23378530861 is a wasteful number, since it uses less digits than its factorization.

23378530861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13692.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 23378530861 in words is "twenty-three billion, three hundred seventy-eight million, five hundred thirty thousand, eight hundred sixty-one".