23473872 has 120 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 7160832.

The previous prime is 23473861. The next prime is 23473883. The reversal of 23473872 is 27837432.

It is an interprime number because it is at equal distance from previous prime (23473861) and next prime (23473883).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

Its product of digits (56448) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105153 + ... + 105375.

Almost surely, 2^23473872 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 23473872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35747712).

23473872 is an abundant number, since it is smaller than the sum of its proper divisors (48021552).

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

23473872 is a wasteful number, since it uses less digits than its factorization.

23473872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 23473872 is about 4844.9842105006. The cubic root of 23473872 is about 286.3265216243.

The spelling of 23473872 in words is "twenty-three million, four hundred seventy-three thousand, eight hundred seventy-two".