23503872 has 88 divisors (see below), whose sum is σ = 71661376. Its totient is φ = 6709248.

The previous prime is 23503871. The next prime is 23503897. The reversal of 23503872 is 27830532.

It is not an unprimeable number, because it can be changed into a prime (23503871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20958 + ... + 22050.

Almost surely, 2^23503872 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 23503872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35830688).

23503872 is an abundant number, since it is smaller than the sum of its proper divisors (48157504).

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

23503872 is a wasteful number, since it uses less digits than its factorization.

23503872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 23503872 is about 4848.0792072737. The cubic root of 23503872 is about 286.4484463888.

The spelling of 23503872 in words is "twenty-three million, five hundred three thousand, eight hundred seventy-two".