23401013 has 2 divisors, whose sum is σ = 23401014. Its totient is φ = 23401012.

The previous prime is 23400997. The next prime is 23401019. The reversal of 23401013 is 31010432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23107249 + 293764 = 4807^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 23401013 - 2⁴ = 23400997 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700506 + 11700507.

It is an arithmetic number, because the mean of its divisors is an integer number (11700507).

Almost surely, 2^23401013 is an apocalyptic number.

It is an amenable number.

23401013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401013 is an equidigital number, since it uses as much as digits as its factorization.

23401013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23401013 is about 4837.4593538344. The cubic root of 23401013 is about 286.0299779488.

Adding to 23401013 its reverse (31010432), we get a palindrome (54411445).

The spelling of 23401013 in words is "twenty-three million, four hundred one thousand, thirteen".