23896920369 has 32 divisors (see below), whose sum is σ = 39567400960. Its totient is φ = 12519360000.

The previous prime is 23896920361. The next prime is 23896920371. The reversal of 23896920369 is 96302969832.

It is not a de Polignac number, because 23896920369 - 2³ = 23896920361 is a prime.

It is a super-2 number, since 2×23896920369² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23896920361) 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, 953632 + ... + 978369.

It is an arithmetic number, because the mean of its divisors is an integer number (1236481280).

Almost surely, 2^23896920369 is an apocalyptic number.

It is an amenable number.

23896920369 is a deficient number, since it is larger than the sum of its proper divisors (15670480591).

23896920369 is a wasteful number, since it uses less digits than its factorization.

23896920369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932061.

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 23896920369 in words is "twenty-three billion, eight hundred ninety-six million, nine hundred twenty thousand, three hundred sixty-nine".