172182023 has 8 divisors (see below), whose sum is σ = 185540208. Its totient is φ = 158840064.

The previous prime is 172182013. The next prime is 172182067. The reversal of 172182023 is 320281271.

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

It is a cyclic number.

It is not a de Polignac number, because 172182023 - 2⁴ = 172182007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172181983 and 172182001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172182013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26636 + ... + 32462.

It is an arithmetic number, because the mean of its divisors is an integer number (23192526).

Almost surely, 2^172182023 is an apocalyptic number.

172182023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172182023 is a deficient number, since it is larger than the sum of its proper divisors (13358185).

172182023 is a wasteful number, since it uses less digits than its factorization.

172182023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 172182023 is about 13121.8147754036. The cubic root of 172182023 is about 556.3258865789.

The spelling of 172182023 in words is "one hundred seventy-two million, one hundred eighty-two thousand, twenty-three".