172438230 has 32 divisors (see below), whose sum is σ = 414201600. Its totient is φ = 45944672.

The previous prime is 172438229. The next prime is 172438247. The reversal of 172438230 is 32834271.

172438230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59761 + ... + 62579.

It is an arithmetic number, because the mean of its divisors is an integer number (12943800).

Almost surely, 2^172438230 is an apocalyptic number.

172438230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172438230 is an abundant number, since it is smaller than the sum of its proper divisors (241763370).

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

172438230 is a wasteful number, since it uses less digits than its factorization.

172438230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 172438230 is about 13131.5737823004. The cubic root of 172438230 is about 556.6016876277.

The spelling of 172438230 in words is "one hundred seventy-two million, four hundred thirty-eight thousand, two hundred thirty".