23030251 has 2 divisors, whose sum is σ = 23030252. Its totient is φ = 23030250.

The previous prime is 23030239. The next prime is 23030281. The reversal of 23030251 is 15203032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23030251 - 2¹⁵ = 22997483 is a prime.

It is a super-2 number, since 2×23030251² = 1060784922246002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23030281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515125 + 11515126.

It is an arithmetic number, because the mean of its divisors is an integer number (11515126).

Almost surely, 2^23030251 is an apocalyptic number.

23030251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030251 is an equidigital number, since it uses as much as digits as its factorization.

23030251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23030251 is about 4798.9843717187. The cubic root of 23030251 is about 284.5113242610.

Adding to 23030251 its reverse (15203032), we get a palindrome (38233283).

The spelling of 23030251 in words is "twenty-three million, thirty thousand, two hundred fifty-one".