2393457923 has 4 divisors (see below), whose sum is σ = 2399427048. Its totient is φ = 2387488800.

The previous prime is 2393457919. The next prime is 2393457953. The reversal of 2393457923 is 3297543932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2393457923 - 2² = 2393457919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393457953) 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 in 3 ways as a sum of consecutive naturals, for example, 2983961 + ... + 2984762.

It is an arithmetic number, because the mean of its divisors is an integer number (599856762).

Almost surely, 2^2393457923 is an apocalyptic number.

2393457923 is a deficient number, since it is larger than the sum of its proper divisors (5969125).

2393457923 is an equidigital number, since it uses as much as digits as its factorization.

2393457923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969124.

The product of its digits is 1224720, while the sum is 47.

The square root of 2393457923 is about 48922.9794983911. The cubic root of 2393457923 is about 1337.6482703767.

The spelling of 2393457923 in words is "two billion, three hundred ninety-three million, four hundred fifty-seven thousand, nine hundred twenty-three".