23310515542173 has 4 divisors (see below), whose sum is σ = 31080687389568. Its totient is φ = 15540343694780.

The previous prime is 23310515542151. The next prime is 23310515542189. The reversal of 23310515542173 is 37124551501332.

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 23310515542173 - 2⁶ = 23310515542109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310515542103) 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, 3885085923693 + ... + 3885085923698.

It is an arithmetic number, because the mean of its divisors is an integer number (7770171847392).

Almost surely, 2^{23310515542173} is an apocalyptic number.

It is an amenable number.

23310515542173 is a deficient number, since it is larger than the sum of its proper divisors (7770171847395).

23310515542173 is an equidigital number, since it uses as much as digits as its factorization.

23310515542173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770171847394.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 23310515542173 in words is "twenty-three trillion, three hundred ten billion, five hundred fifteen million, five hundred forty-two thousand, one hundred seventy-three".