23057157423 has 4 divisors (see below), whose sum is σ = 30742876568. Its totient is φ = 15371438280.

The previous prime is 23057157379. The next prime is 23057157449. The reversal of 23057157423 is 32475175032.

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

It is not a de Polignac number, because 23057157423 - 2²⁹ = 22520286511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23057157523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842859568 + ... + 3842859573.

It is an arithmetic number, because the mean of its divisors is an integer number (7685719142).

Almost surely, 2^23057157423 is an apocalyptic number.

23057157423 is a deficient number, since it is larger than the sum of its proper divisors (7685719145).

23057157423 is an equidigital number, since it uses as much as digits as its factorization.

23057157423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685719144.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 23057157423 in words is "twenty-three billion, fifty-seven million, one hundred fifty-seven thousand, four hundred twenty-three".