229172170123 has 8 divisors (see below), whose sum is σ = 246804824448. Its totient is φ = 211540090944.

The previous prime is 229172170109. The next prime is 229172170133. The reversal of 229172170123 is 321071271922.

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

It is a de Polignac number, because none of the positive numbers 2^k-229172170123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229172170133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052415 + ... + 1251367.

It is an arithmetic number, because the mean of its divisors is an integer number (30850603056).

Almost surely, 2^229172170123 is an apocalyptic number.

229172170123 is a deficient number, since it is larger than the sum of its proper divisors (17632654325).

229172170123 is a wasteful number, since it uses less digits than its factorization.

229172170123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287573.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 229172170123 in words is "two hundred twenty-nine billion, one hundred seventy-two million, one hundred seventy thousand, one hundred twenty-three".