172379323 has 2 divisors, whose sum is σ = 172379324. Its totient is φ = 172379322.

The previous prime is 172379299. The next prime is 172379341. The reversal of 172379323 is 323973271.

172379323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (323973271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172379323 is a prime.

It is not a weakly prime, because it can be changed into another prime (172379423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86189661 + 86189662.

It is an arithmetic number, because the mean of its divisors is an integer number (86189662).

Almost surely, 2^172379323 is an apocalyptic number.

172379323 is a deficient number, since it is larger than the sum of its proper divisors (1).

172379323 is an equidigital number, since it uses as much as digits as its factorization.

172379323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 172379323 is about 13129.3306379267. The cubic root of 172379323 is about 556.5382997702.

The spelling of 172379323 in words is "one hundred seventy-two million, three hundred seventy-nine thousand, three hundred twenty-three".