172023 has 8 divisors (see below), whose sum is σ = 242928. Its totient is φ = 107904.

The previous prime is 172021. The next prime is 172027. The reversal of 172023 is 320271.

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

It is not a de Polignac number, because 172023 - 2¹ = 172021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171993 and 172011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (30366).

2¹⁷²⁰²³ is an apocalyptic number.

172023 is a deficient number, since it is larger than the sum of its proper divisors (70905).

172023 is a wasteful number, since it uses less digits than its factorization.

172023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 172023 is about 414.7565551019. The cubic root of 172023 is about 55.6154564278.

Adding to 172023 its reverse (320271), we get a palindrome (492294).

It can be divided in two parts, 17202 and 3, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 172023 in words is "one hundred seventy-two thousand, twenty-three", and thus it is an iban number.