23457823 has 2 divisors, whose sum is σ = 23457824. Its totient is φ = 23457822.

The previous prime is 23457817. The next prime is 23457827. The reversal of 23457823 is 32875432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23457823 - 2⁹ = 23457311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23457827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728911 + 11728912.

It is an arithmetic number, because the mean of its divisors is an integer number (11728912).

Almost surely, 2^23457823 is an apocalyptic number.

23457823 is a deficient number, since it is larger than the sum of its proper divisors (1).

23457823 is an equidigital number, since it uses as much as digits as its factorization.

23457823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 23457823 is about 4843.3276783633. The cubic root of 23457823 is about 286.2612532840.

The spelling of 23457823 in words is "twenty-three million, four hundred fifty-seven thousand, eight hundred twenty-three".