172427542323 has 16 divisors (see below), whose sum is σ = 230408832000. Its totient is φ = 114699065184.

The previous prime is 172427542321. The next prime is 172427542349. The reversal of 172427542323 is 323245724271.

It is a happy number.

It is not a de Polignac number, because 172427542323 - 2¹ = 172427542321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172427542321) 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, 12048190 + ... + 12062492.

It is an arithmetic number, because the mean of its divisors is an integer number (14400552000).

Almost surely, 2^172427542323 is an apocalyptic number.

172427542323 is a deficient number, since it is larger than the sum of its proper divisors (57981289677).

172427542323 is a wasteful number, since it uses less digits than its factorization.

172427542323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22858.

The product of its digits is 564480, while the sum is 42.

The spelling of 172427542323 in words is "one hundred seventy-two billion, four hundred twenty-seven million, five hundred forty-two thousand, three hundred twenty-three".