23454401 has 2 divisors, whose sum is σ = 23454402. Its totient is φ = 23454400.

The previous prime is 23454391. The next prime is 23454427. The reversal of 23454401 is 10445432.

23454401 = 3424² + 3425².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 11723776 = 3425^2 + 3424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23454401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23454491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727200 + 11727201.

It is an arithmetic number, because the mean of its divisors is an integer number (11727201).

Almost surely, 2^23454401 is an apocalyptic number.

23454401 is the 3425-th centered square number.

It is an amenable number.

23454401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454401 is an equidigital number, since it uses as much as digits as its factorization.

23454401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 23454401 is about 4842.9743959678. The cubic root of 23454401 is about 286.2473327873.

Adding to 23454401 its reverse (10445432), we get a palindrome (33899833).

The spelling of 23454401 in words is "twenty-three million, four hundred fifty-four thousand, four hundred one".