23572 has 12 divisors (see below), whose sum is σ = 42336. Its totient is φ = 11480.

The previous prime is 23567. The next prime is 23581. The reversal of 23572 is 27532.

It is a happy number.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (3528).

2²³⁵⁷² is an apocalyptic number.

It is an amenable number.

23572 is a deficient number, since it is larger than the sum of its proper divisors (18764).

23572 is a wasteful number, since it uses less digits than its factorization.

23572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

The product of its digits is 420, while the sum is 19.

The square root of 23572 is about 153.5317556729. The cubic root of 23572 is about 28.6724944584.

It can be divided in two parts, 23 and 572, that added together give a palindrome (595).

The spelling of 23572 in words is "twenty-three thousand, five hundred seventy-two".