23454257 has 2 divisors, whose sum is σ = 23454258. Its totient is φ = 23454256.

The previous prime is 23454253. The next prime is 23454287. The reversal of 23454257 is 75245432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 5340721 = 4256^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454257 - 2² = 23454253 is a prime.

It is not a weakly prime, because it can be changed into another prime (23454251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727128 + 11727129.

It is an arithmetic number, because the mean of its divisors is an integer number (11727129).

Almost surely, 2^23454257 is an apocalyptic number.

It is an amenable number.

23454257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454257 is an equidigital number, since it uses as much as digits as its factorization.

23454257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 32.

The square root of 23454257 is about 4842.9595290483. The cubic root of 23454257 is about 286.2467469740.

Adding to 23454257 its reverse (75245432), we get a palindrome (98699689).

It can be divided in two parts, 2345425 and 7, that added together give a palindrome (2345432).

The spelling of 23454257 in words is "twenty-three million, four hundred fifty-four thousand, two hundred fifty-seven".