23793457 has 4 divisors (see below), whose sum is σ = 24094720. Its totient is φ = 23492196.

The previous prime is 23793439. The next prime is 23793467. The reversal of 23793457 is 75439732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23793457 is a prime.

It is a super-2 number, since 2×23793457² = 1132257192021698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23793437) 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, 150513 + ... + 150670.

It is an arithmetic number, because the mean of its divisors is an integer number (6023680).

Almost surely, 2^23793457 is an apocalyptic number.

It is an amenable number.

23793457 is a deficient number, since it is larger than the sum of its proper divisors (301263).

23793457 is an equidigital number, since it uses as much as digits as its factorization.

23793457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301262.

The product of its digits is 158760, while the sum is 40.

The square root of 23793457 is about 4877.8537288443. The cubic root of 23793457 is about 287.6200662968.

The spelling of 23793457 in words is "twenty-three million, seven hundred ninety-three thousand, four hundred fifty-seven".