172232788203 has 12 divisors (see below), whose sum is σ = 284320793328. Its totient is φ = 98418736080.

The previous prime is 172232788201. The next prime is 172232788213. The reversal of 172232788203 is 302887232271.

172232788203 is a `hidden beast` number, since 172 + 2 + 3 + 278 + 8 + 203 = 666.

It is not a de Polignac number, because 172232788203 - 2¹ = 172232788201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172232788201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1366926828 + ... + 1366926953.

It is an arithmetic number, because the mean of its divisors is an integer number (23693399444).

Almost surely, 2^172232788203 is an apocalyptic number.

172232788203 is a deficient number, since it is larger than the sum of its proper divisors (112088005125).

172232788203 is a wasteful number, since it uses less digits than its factorization.

172232788203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733853794 (or 2733853791 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 172232788203 in words is "one hundred seventy-two billion, two hundred thirty-two million, seven hundred eighty-eight thousand, two hundred three".