23661032472 has 384 divisors, whose sum is σ = 85542912000. Its totient is φ = 5946307200.

The previous prime is 23661032407. The next prime is 23661032501. The reversal of 23661032472 is 27423016632.

23661032472 is a `hidden beast` number, since 2 + 3 + 6 + 610 + 32 + 4 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4637779 + ... + 4642877.

It is an arithmetic number, because the mean of its divisors is an integer number (222768000).

Almost surely, 2^23661032472 is an apocalyptic number.

23661032472 is a gapful number since it is divisible by the number (22) 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 23661032472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42771456000).

23661032472 is an abundant number, since it is smaller than the sum of its proper divisors (61881879528).

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

23661032472 is a wasteful number, since it uses less digits than its factorization.

23661032472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 23661032472 in words is "twenty-three billion, six hundred sixty-one million, thirty-two thousand, four hundred seventy-two".