172383197572 has 24 divisors (see below), whose sum is σ = 303517226880. Its totient is φ = 85664127360.

The previous prime is 172383197563. The next prime is 172383197603. The reversal of 172383197572 is 275791383271.

It is a super-3 number, since 3×172383197572³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7496172 + ... + 7519132.

It is an arithmetic number, because the mean of its divisors is an integer number (12646551120).

Almost surely, 2^172383197572 is an apocalyptic number.

It is an amenable number.

172383197572 is a deficient number, since it is larger than the sum of its proper divisors (131134029308).

172383197572 is a wasteful number, since it uses less digits than its factorization.

172383197572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34371 (or 34369 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The spelling of 172383197572 in words is "one hundred seventy-two billion, three hundred eighty-three million, one hundred ninety-seven thousand, five hundred seventy-two".