23401349 has 2 divisors, whose sum is σ = 23401350. Its totient is φ = 23401348.

The previous prime is 23401307. The next prime is 23401351. The reversal of 23401349 is 94310432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 2010724 = 4625^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 23401349 - 2⁸ = 23401093 is a prime.

It is a Sophie Germain prime.

Together with 23401351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401379) 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, 11700674 + 11700675.

It is an arithmetic number, because the mean of its divisors is an integer number (11700675).

Almost surely, 2^23401349 is an apocalyptic number.

It is an amenable number.

23401349 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401349 is an equidigital number, since it uses as much as digits as its factorization.

23401349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23401349 is about 4837.4940826837. The cubic root of 23401349 is about 286.0313469154.

The spelling of 23401349 in words is "twenty-three million, four hundred one thousand, three hundred forty-nine".