23842872 has 96 divisors (see below), whose sum is σ = 70434000. Its totient is φ = 7257600.

The previous prime is 23842859. The next prime is 23842873. The reversal of 23842872 is 27824832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23842873) 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, 39372 + ... + 39972.

Almost surely, 2^23842872 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 23842872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35217000).

23842872 is an abundant number, since it is smaller than the sum of its proper divisors (46591128).

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

23842872 is a wasteful number, since it uses less digits than its factorization.

23842872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 654 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 23842872 is about 4882.9163416958. The cubic root of 23842872 is about 287.8190414150.

The spelling of 23842872 in words is "twenty-three million, eight hundred forty-two thousand, eight hundred seventy-two".