23645552 has 40 divisors (see below), whose sum is σ = 53231712. Its totient is φ = 9964800.

The previous prime is 23645549. The next prime is 23645581. The reversal of 23645552 is 25554632.

It is a super-2 number, since 2×23645552² = 1118224258769408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102 + ... + 8562.

Almost surely, 2^23645552 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 23645552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26615856).

23645552 is an abundant number, since it is smaller than the sum of its proper divisors (29586160).

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

23645552 is a wasteful number, since it uses less digits than its factorization.

23645552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3531 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 23645552 is about 4862.6692258471. The cubic root of 23645552 is about 287.0228587215.

The spelling of 23645552 in words is "twenty-three million, six hundred forty-five thousand, five hundred fifty-two".