23390459297 has 4 divisors (see below), whose sum is σ = 23393376960. Its totient is φ = 23387541636.

The previous prime is 23390459251. The next prime is 23390459321. The reversal of 23390459297 is 79295409332.

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 not a de Polignac number, because 23390459297 - 2³² = 19095492001 is a prime.

It is a super-2 number, since 2×23390459297² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23390459797) 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, 1446773 + ... + 1462850.

It is an arithmetic number, because the mean of its divisors is an integer number (5848344240).

Almost surely, 2^23390459297 is an apocalyptic number.

It is an amenable number.

23390459297 is a deficient number, since it is larger than the sum of its proper divisors (2917663).

23390459297 is an equidigital number, since it uses as much as digits as its factorization.

23390459297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917662.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 23390459297 in words is "twenty-three billion, three hundred ninety million, four hundred fifty-nine thousand, two hundred ninety-seven".