23315351 has 2 divisors, whose sum is σ = 23315352. Its totient is φ = 23315350.

The previous prime is 23315339. The next prime is 23315387. The reversal of 23315351 is 15351332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23315351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23315321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657675 + 11657676.

It is an arithmetic number, because the mean of its divisors is an integer number (11657676).

Almost surely, 2^23315351 is an apocalyptic number.

23315351 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315351 is an equidigital number, since it uses as much as digits as its factorization.

23315351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 23.

The square root of 23315351 is about 4828.5972082997. The cubic root of 23315351 is about 285.6805364065.

Adding to 23315351 its reverse (15351332), we get a palindrome (38666683).

The spelling of 23315351 in words is "twenty-three million, three hundred fifteen thousand, three hundred fifty-one".