23956385472 has 112 divisors (see below), whose sum is σ = 71392470880. Its totient is φ = 7876030464.

The previous prime is 23956385461. The next prime is 23956385489. The reversal of 23956385472 is 27458365932.

23956385472 is a `hidden beast` number, since 2 + 3 + 9 + 563 + 8 + 5 + 4 + 72 = 666.

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 15 ways as a sum of consecutive naturals, for example, 31188 + ... + 221100.

Almost surely, 2^23956385472 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 23956385472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35696235440).

23956385472 is an abundant number, since it is smaller than the sum of its proper divisors (47436085408).

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

23956385472 is a wasteful number, since it uses less digits than its factorization.

23956385472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190007 (or 189991 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 23956385472 in words is "twenty-three billion, nine hundred fifty-six million, three hundred eighty-five thousand, four hundred seventy-two".