23401404413 has 2 divisors, whose sum is σ = 23401404414. Its totient is φ = 23401404412.

The previous prime is 23401404379. The next prime is 23401404421. The reversal of 23401404413 is 31440410432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15134412484 + 8266991929 = 123022^2 + 90923^2 .

It is a cyclic number.

It is not a de Polignac number, because 23401404413 - 2¹⁸ = 23401142269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401404443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700702206 + 11700702207.

It is an arithmetic number, because the mean of its divisors is an integer number (11700702207).

Almost surely, 2^23401404413 is an apocalyptic number.

It is an amenable number.

23401404413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401404413 is an equidigital number, since it uses as much as digits as its factorization.

23401404413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23401404413 its reverse (31440410432), we get a palindrome (54841814845).

The spelling of 23401404413 in words is "twenty-three billion, four hundred one million, four hundred four thousand, four hundred thirteen".