23311252 has 12 divisors (see below), whose sum is σ = 42941920. Its totient is φ = 11042136.

The previous prime is 23311237. The next prime is 23311261. The reversal of 23311252 is 25211332.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153288 + ... + 153439.

Almost surely, 2^23311252 is an apocalyptic number.

It is an amenable number.

23311252 is a deficient number, since it is larger than the sum of its proper divisors (19630668).

23311252 is a wasteful number, since it uses less digits than its factorization.

23311252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306750 (or 306748 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 23311252 is about 4828.1727392462. The cubic root of 23311252 is about 285.6637938871.

Adding to 23311252 its reverse (25211332), we get a palindrome (48522584).

The spelling of 23311252 in words is "twenty-three million, three hundred eleven thousand, two hundred fifty-two".