23706878472 has 160 divisors (see below), whose sum is σ = 69820363800. Its totient is φ = 7504358400.

The previous prime is 23706878467. The next prime is 23706878497. The reversal of 23706878472 is 27487860732.

23706878472 is a `hidden beast` number, since 23 + 70 + 6 + 87 + 8 + 472 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8650116036 + 15056762436 = 93006^2 + 122706^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1135972 + ... + 1156652.

Almost surely, 2^23706878472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23706878472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34910181900).

23706878472 is an abundant number, since it is smaller than the sum of its proper divisors (46113485328).

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

23706878472 is a wasteful number, since it uses less digits than its factorization.

23706878472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789 (or 20776 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 23706878472 in words is "twenty-three billion, seven hundred six million, eight hundred seventy-eight thousand, four hundred seventy-two".