23628251 has 2 divisors, whose sum is σ = 23628252. Its totient is φ = 23628250.

The previous prime is 23628239. The next prime is 23628277. The reversal of 23628251 is 15282632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23628251 - 2¹⁸ = 23366107 is a prime.

It is not a weakly prime, because it can be changed into another prime (23628211) by changing a digit.

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 as a sum of consecutive naturals, namely, 11814125 + 11814126.

It is an arithmetic number, because the mean of its divisors is an integer number (11814126).

Almost surely, 2^23628251 is an apocalyptic number.

23628251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23628251 is an equidigital number, since it uses as much as digits as its factorization.

23628251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 23628251 is about 4860.8899390955. The cubic root of 23628251 is about 286.9528385884.

The spelling of 23628251 in words is "twenty-three million, six hundred twenty-eight thousand, two hundred fifty-one".