172082423 has 2 divisors, whose sum is σ = 172082424. Its totient is φ = 172082422.

The previous prime is 172082419. The next prime is 172082437. The reversal of 172082423 is 324280271.

172082423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172082423 - 2² = 172082419 is a prime.

It is a super-2 number, since 2×172082423² = 59224720611101858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172082413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86041211 + 86041212.

It is an arithmetic number, because the mean of its divisors is an integer number (86041212).

Almost surely, 2^172082423 is an apocalyptic number.

172082423 is a deficient number, since it is larger than the sum of its proper divisors (1).

172082423 is an equidigital number, since it uses as much as digits as its factorization.

172082423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 172082423 is about 13118.0190196538. The cubic root of 172082423 is about 556.2185955758.

The spelling of 172082423 in words is "one hundred seventy-two million, eighty-two thousand, four hundred twenty-three".