172313732384 has 48 divisors (see below), whose sum is σ = 359275912128. Its totient is φ = 81180878592.

The previous prime is 172313732347. The next prime is 172313732387. The reversal of 172313732384 is 483237313271.

It is not an unprimeable number, because it can be changed into a prime (172313732387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697867 + ... + 1796490.

It is an arithmetic number, because the mean of its divisors is an integer number (7484914836).

Almost surely, 2^172313732384 is an apocalyptic number.

It is an amenable number.

172313732384 is an abundant number, since it is smaller than the sum of its proper divisors (186962179744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172313732384 is a wasteful number, since it uses less digits than its factorization.

172313732384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494457 (or 3494449 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The spelling of 172313732384 in words is "one hundred seventy-two billion, three hundred thirteen million, seven hundred thirty-two thousand, three hundred eighty-four".