172703323 has 16 divisors (see below), whose sum is σ = 203726880. Its totient is φ = 144861696.

The previous prime is 172703303. The next prime is 172703339. The reversal of 172703323 is 323307271.

It is a cyclic number.

It is not a de Polignac number, because 172703323 - 2⁹ = 172702811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172703291 and 172703300.

It is not an unprimeable number, because it can be changed into a prime (172703303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065 + ... + 19882.

It is an arithmetic number, because the mean of its divisors is an integer number (12732930).

Almost surely, 2^172703323 is an apocalyptic number.

172703323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172703323 is a deficient number, since it is larger than the sum of its proper divisors (31023557).

172703323 is a wasteful number, since it uses less digits than its factorization.

172703323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27006.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 172703323 is about 13141.6636313672. The cubic root of 172703323 is about 556.8867668403.

The spelling of 172703323 in words is "one hundred seventy-two million, seven hundred three thousand, three hundred twenty-three".