172094923 has 16 divisors (see below), whose sum is σ = 231065856. Its totient is φ = 123783840.

The previous prime is 172094891. The next prime is 172094929. The reversal of 172094923 is 329490271.

It is a cyclic number.

It is not a de Polignac number, because 172094923 - 2⁵ = 172094891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172094929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84961 + ... + 86962.

It is an arithmetic number, because the mean of its divisors is an integer number (14441616).

Almost surely, 2^172094923 is an apocalyptic number.

172094923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172094923 is a deficient number, since it is larger than the sum of its proper divisors (58970933).

172094923 is a wasteful number, since it uses less digits than its factorization.

172094923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171954.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 172094923 is about 13118.4954548912. The cubic root of 172094923 is about 556.2320630836.

The spelling of 172094923 in words is "one hundred seventy-two million, ninety-four thousand, nine hundred twenty-three".