23621152 has 24 divisors (see below), whose sum is σ = 47270412. Its totient is φ = 11616000.

The previous prime is 23621113. The next prime is 23621183. The reversal of 23621152 is 25112632.

It can be written as a sum of positive squares in 2 ways, for example, as 23464336 + 156816 = 4844^2 + 396^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

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, 4099 + ... + 8002.

Almost surely, 2^23621152 is an apocalyptic number.

It is an amenable number.

23621152 is an abundant number, since it is smaller than the sum of its proper divisors (23649260).

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

23621152 is a wasteful number, since it uses less digits than its factorization.

23621152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172 (or 12164 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 23621152 is about 4860.1596681591. The cubic root of 23621152 is about 286.9240978204.

Adding to 23621152 its reverse (25112632), we get a palindrome (48733784).

The spelling of 23621152 in words is "twenty-three million, six hundred twenty-one thousand, one hundred fifty-two".