23474521523 has 4 divisors (see below), whose sum is σ = 23475285288. Its totient is φ = 23473757760.

The previous prime is 23474521513. The next prime is 23474521549. The reversal of 23474521523 is 32512547432.

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

It is a cyclic number.

It is not a de Polignac number, because 23474521523 - 2¹⁴ = 23474505139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23474521513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333758 + ... + 397923.

It is an arithmetic number, because the mean of its divisors is an integer number (5868821322).

Almost surely, 2^23474521523 is an apocalyptic number.

23474521523 is a deficient number, since it is larger than the sum of its proper divisors (763765).

23474521523 is an equidigital number, since it uses as much as digits as its factorization.

23474521523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763764.

The product of its digits is 201600, while the sum is 38.

The spelling of 23474521523 in words is "twenty-three billion, four hundred seventy-four million, five hundred twenty-one thousand, five hundred twenty-three".