23426004257 has 2 divisors, whose sum is σ = 23426004258. Its totient is φ = 23426004256.

The previous prime is 23426004253. The next prime is 23426004299. The reversal of 23426004257 is 75240062432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18538456336 + 4887547921 = 136156^2 + 69911^2 .

It is a cyclic number.

It is not a de Polignac number, because 23426004257 - 2² = 23426004253 is a prime.

It is not a weakly prime, because it can be changed into another prime (23426004253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11713002128 + 11713002129.

It is an arithmetic number, because the mean of its divisors is an integer number (11713002129).

Almost surely, 2^23426004257 is an apocalyptic number.

It is an amenable number.

23426004257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23426004257 is an equidigital number, since it uses as much as digits as its factorization.

23426004257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 23426004257 its reverse (75240062432), we get a palindrome (98666066689).

The spelling of 23426004257 in words is "twenty-three billion, four hundred twenty-six million, four thousand, two hundred fifty-seven".