172076323 has 2 divisors, whose sum is σ = 172076324. Its totient is φ = 172076322.

The previous prime is 172076309. The next prime is 172076327. The reversal of 172076323 is 323670271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172076323 - 2²⁵ = 138521891 is a prime.

It is a super-2 number, since 2×172076323² = 59220521874400658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (172076327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86038161 + 86038162.

It is an arithmetic number, because the mean of its divisors is an integer number (86038162).

Almost surely, 2^172076323 is an apocalyptic number.

172076323 is a deficient number, since it is larger than the sum of its proper divisors (1).

172076323 is an equidigital number, since it uses as much as digits as its factorization.

172076323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 172076323 is about 13117.7865129754. The cubic root of 172076323 is about 556.2120231953.

The spelling of 172076323 in words is "one hundred seventy-two million, seventy-six thousand, three hundred twenty-three".