23251236 has 12 divisors (see below), whose sum is σ = 54252912. Its totient is φ = 7750408.

The previous prime is 23251199. The next prime is 23251237. The reversal of 23251236 is 63215232.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (23251237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968790 + ... + 968813.

It is an arithmetic number, because the mean of its divisors is an integer number (4521076).

Almost surely, 2^23251236 is an apocalyptic number.

It is an amenable number.

23251236 is an abundant number, since it is smaller than the sum of its proper divisors (31001676).

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

23251236 is a wasteful number, since it uses less digits than its factorization.

23251236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937610 (or 1937608 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 23251236 is about 4821.9535460226. The cubic root of 23251236 is about 285.4184312274.

Adding to 23251236 its reverse (63215232), we get a palindrome (86466468).

The spelling of 23251236 in words is "twenty-three million, two hundred fifty-one thousand, two hundred thirty-six".