23215472 has 80 divisors (see below), whose sum is σ = 55442880. Its totient is φ = 9191424.

The previous prime is 23215463. The next prime is 23215481. The reversal of 23215472 is 27451232.

It is an interprime number because it is at equal distance from previous prime (23215463) and next prime (23215481).

It is a congruent number.

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, 169388 + ... + 169524.

It is an arithmetic number, because the mean of its divisors is an integer number (693036).

Almost surely, 2^23215472 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 23215472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27721440).

23215472 is an abundant number, since it is smaller than the sum of its proper divisors (32227408).

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

23215472 is a wasteful number, since it uses less digits than its factorization.

23215472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 23215472 is about 4818.2436634110. The cubic root of 23215472 is about 285.2720168901.

The spelling of 23215472 in words is "twenty-three million, two hundred fifteen thousand, four hundred seventy-two".