523172315270023 has 16 divisors (see below), whose sum is σ = 554620467548160. Its totient is φ = 492755249973600.

The previous prime is 523172315269991. The next prime is 523172315270027. The reversal of 523172315270023 is 320072513271325.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 523172315270023 - 2⁵ = 523172315269991 is a prime.

It is a super-3 number, since 3×523172315270023³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523172315270027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002742068 + ... + 1003263673.

It is an arithmetic number, because the mean of its divisors is an integer number (34663779221760).

Almost surely, 2^{523172315270023} is an apocalyptic number.

523172315270023 is a deficient number, since it is larger than the sum of its proper divisors (31448152278137).

523172315270023 is a wasteful number, since it uses less digits than its factorization.

523172315270023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006005998.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 523172315270023 in words is "five hundred twenty-three trillion, one hundred seventy-two billion, three hundred fifteen million, two hundred seventy thousand, twenty-three".