23454251 has 2 divisors, whose sum is σ = 23454252. Its totient is φ = 23454250.

The previous prime is 23454217. The next prime is 23454253. The reversal of 23454251 is 15245432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23454251 - 2⁶ = 23454187 is a prime.

Together with 23454253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23454251.

It is not a weakly prime, because it can be changed into another prime (23454253) 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, 11727125 + 11727126.

It is an arithmetic number, because the mean of its divisors is an integer number (11727126).

Almost surely, 2^23454251 is an apocalyptic number.

23454251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454251 is an equidigital number, since it uses as much as digits as its factorization.

23454251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 23454251 is about 4842.9589095924. The cubic root of 23454251 is about 286.2467225650.

Adding to 23454251 its reverse (15245432), we get a palindrome (38699683).

The spelling of 23454251 in words is "twenty-three million, four hundred fifty-four thousand, two hundred fifty-one".