172355230 has 8 divisors (see below), whose sum is σ = 310239432. Its totient is φ = 68942088.

The previous prime is 172355203. The next prime is 172355243. The reversal of 172355230 is 32553271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8617752 + ... + 8617771.

It is an arithmetic number, because the mean of its divisors is an integer number (38779929).

Almost surely, 2^172355230 is an apocalyptic number.

172355230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172355230 is a deficient number, since it is larger than the sum of its proper divisors (137884202).

172355230 is a wasteful number, since it uses less digits than its factorization.

172355230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17235530.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 172355230 is about 13128.4130800337. The cubic root of 172355230 is about 556.5123699356.

It can be divided in two parts, 1723 and 55230, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 172355230 in words is "one hundred seventy-two million, three hundred fifty-five thousand, two hundred thirty".