23923357 has 2 divisors, whose sum is σ = 23923358. Its totient is φ = 23923356.

The previous prime is 23923331. The next prime is 23923363. The reversal of 23923357 is 75332932.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20985561 + 2937796 = 4581^2 + 1714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23923357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23923307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961678 + 11961679.

It is an arithmetic number, because the mean of its divisors is an integer number (11961679).

Almost surely, 2^23923357 is an apocalyptic number.

It is an amenable number.

23923357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23923357 is an equidigital number, since it uses as much as digits as its factorization.

23923357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 34.

The square root of 23923357 is about 4891.1508870612. The cubic root of 23923357 is about 288.1425357016.

The spelling of 23923357 in words is "twenty-three million, nine hundred twenty-three thousand, three hundred fifty-seven".