23251235 has 12 divisors (see below), whose sum is σ = 32457168. Its totient is φ = 15943536.

The previous prime is 23251199. The next prime is 23251237. The reversal of 23251235 is 53215232.

It is not a de Polignac number, because 23251235 - 2⁸ = 23250979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23251235.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47207 + ... + 47696.

It is an arithmetic number, because the mean of its divisors is an integer number (2704764).

Almost surely, 2^23251235 is an apocalyptic number.

23251235 is a deficient number, since it is larger than the sum of its proper divisors (9205933).

23251235 is an equidigital number, since it uses as much as digits as its factorization.

23251235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94922 (or 94915 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 23251235 is about 4821.9534423302. The cubic root of 23251235 is about 285.4184271356.

Adding to 23251235 its reverse (53215232), we get a palindrome (76466467).

The spelling of 23251235 in words is "twenty-three million, two hundred fifty-one thousand, two hundred thirty-five".