23785572 has 48 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 7683840.

The previous prime is 23785507. The next prime is 23785577. The reversal of 23785572 is 27558732.

It is a self number, because there is not a number n which added to its sum of digits gives 23785572.

It is not an unprimeable number, because it can be changed into a prime (23785577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101968 + ... + 102200.

It is an arithmetic number, because the mean of its divisors is an integer number (1192464).

Almost surely, 2^23785572 is an apocalyptic number.

It is an amenable number.

23785572 is an abundant number, since it is smaller than the sum of its proper divisors (33452700).

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

23785572 is a wasteful number, since it uses less digits than its factorization.

23785572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 23785572 is about 4877.0454170532. The cubic root of 23785572 is about 287.5882909676.

The spelling of 23785572 in words is "twenty-three million, seven hundred eighty-five thousand, five hundred seventy-two".