23971500126 has 80 divisors (see below), whose sum is σ = 61446967296. Its totient is φ = 6842347344.

The previous prime is 23971500101. The next prime is 23971500187. The reversal of 23971500126 is 62100517932.

23971500126 is a `hidden beast` number, since 23 + 9 + 7 + 1 + 500 + 126 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1222935 + ... + 1242381.

Almost surely, 2^23971500126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23971500126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30723483648).

23971500126 is an abundant number, since it is smaller than the sum of its proper divisors (37475467170).

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

23971500126 is a wasteful number, since it uses less digits than its factorization.

23971500126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555 (or 20546 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 23971500126 in words is "twenty-three billion, nine hundred seventy-one million, five hundred thousand, one hundred twenty-six".