23213252 has 6 divisors (see below), whose sum is σ = 40623198. Its totient is φ = 11606624.

The previous prime is 23213243. The next prime is 23213261. The reversal of 23213252 is 25231232.

It is an interprime number because it is at equal distance from previous prime (23213243) and next prime (23213261).

It can be written as a sum of positive squares in only one way, i.e., 18267076 + 4946176 = 4274^2 + 2224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2901653 + ... + 2901660.

It is an arithmetic number, because the mean of its divisors is an integer number (6770533).

Almost surely, 2^23213252 is an apocalyptic number.

It is an amenable number.

23213252 is a deficient number, since it is larger than the sum of its proper divisors (17409946).

23213252 is a wasteful number, since it uses less digits than its factorization.

23213252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803317 (or 5803315 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 23213252 is about 4818.0132835018. The cubic root of 23213252 is about 285.2629234708.

Adding to 23213252 its reverse (25231232), we get a palindrome (48444484).

The spelling of 23213252 in words is "twenty-three million, two hundred thirteen thousand, two hundred fifty-two".