23102973864 has 96 divisors (see below), whose sum is σ = 63345321000. Its totient is φ = 7605835776.

The previous prime is 23102973857. The next prime is 23102973869. The reversal of 23102973864 is 46837920132.

It can be written as a sum of positive squares in 4 ways, for example, as 21508568964 + 1594404900 = 146658^2 + 39930^2 .

It is not an unprimeable number, because it can be changed into a prime (23102973869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8258514 + ... + 8261310.

Almost surely, 2^23102973864 is an apocalyptic number.

23102973864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23102973864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31672660500).

23102973864 is an abundant number, since it is smaller than the sum of its proper divisors (40242347136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23102973864 is a wasteful number, since it uses less digits than its factorization.

23102973864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187 (or 4180 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 23102973864 in words is "twenty-three billion, one hundred two million, nine hundred seventy-three thousand, eight hundred sixty-four".