23173130267457 has 4 divisors (see below), whose sum is σ = 30897507023280. Its totient is φ = 15448753511636.

The previous prime is 23173130267431. The next prime is 23173130267461. The reversal of 23173130267457 is 75476203137132.

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 23173130267457 - 2¹⁸ = 23173130005313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23173130260457) 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, 3862188377907 + ... + 3862188377912.

It is an arithmetic number, because the mean of its divisors is an integer number (7724376755820).

Almost surely, 2^{23173130267457} is an apocalyptic number.

It is an amenable number.

23173130267457 is a deficient number, since it is larger than the sum of its proper divisors (7724376755823).

23173130267457 is an equidigital number, since it uses as much as digits as its factorization.

23173130267457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724376755822.

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 23173130267457 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred thirty million, two hundred sixty-seven thousand, four hundred fifty-seven".