23261913902 has 16 divisors (see below), whose sum is σ = 36733804560. Its totient is φ = 11017461312.

The previous prime is 23261913901. The next prime is 23261913907. The reversal of 23261913902 is 20931916232.

It is a happy number.

It is a super-2 number, since 2×23261913902² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261913901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325178 + ... + 390210.

It is an arithmetic number, because the mean of its divisors is an integer number (2295862785).

Almost surely, 2^23261913902 is an apocalyptic number.

23261913902 is a deficient number, since it is larger than the sum of its proper divisors (13471890658).

23261913902 is a wasteful number, since it uses less digits than its factorization.

23261913902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74467.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 23261913902 in words is "twenty-three billion, two hundred sixty-one million, nine hundred thirteen thousand, nine hundred two".