23401351 has 2 divisors, whose sum is σ = 23401352. Its totient is φ = 23401350.

The previous prime is 23401349. The next prime is 23401361. The reversal of 23401351 is 15310432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23401351 - 2¹ = 23401349 is a prime.

Together with 23401349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700675 + 11700676.

It is an arithmetic number, because the mean of its divisors is an integer number (11700676).

Almost surely, 2^23401351 is an apocalyptic number.

23401351 is the 3060-th centered pentagonal number.

23401351 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401351 is an equidigital number, since it uses as much as digits as its factorization.

23401351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23401351 is about 4837.4942894023. The cubic root of 23401351 is about 286.0313550640.

Adding to 23401351 its reverse (15310432), we get a palindrome (38711783).

The spelling of 23401351 in words is "twenty-three million, four hundred one thousand, three hundred fifty-one".