23202251 has 2 divisors, whose sum is σ = 23202252. Its totient is φ = 23202250.

The previous prime is 23202227. The next prime is 23202253. The reversal of 23202251 is 15220232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23202251 - 2¹⁸ = 22940107 is a prime.

Together with 23202253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23202253) 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 as a sum of consecutive naturals, namely, 11601125 + 11601126.

It is an arithmetic number, because the mean of its divisors is an integer number (11601126).

Almost surely, 2^23202251 is an apocalyptic number.

23202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202251 is an equidigital number, since it uses as much as digits as its factorization.

23202251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23202251 is about 4816.8714950681. The cubic root of 23202251 is about 285.2178533345.

Adding to 23202251 its reverse (15220232), we get a palindrome (38422483).

The spelling of 23202251 in words is "twenty-three million, two hundred two thousand, two hundred fifty-one".