172313324 has 24 divisors (see below), whose sum is σ = 310576896. Its totient is φ = 83600000.

The previous prime is 172313291. The next prime is 172313353. The reversal of 172313324 is 423313271.

It is a junction number, because it is equal to n+sod(n) for n = 172313293 and 172313302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28574 + ... + 34074.

It is an arithmetic number, because the mean of its divisors is an integer number (12940704).

Almost surely, 2^172313324 is an apocalyptic number.

It is an amenable number.

172313324 is a deficient number, since it is larger than the sum of its proper divisors (138263572).

172313324 is a wasteful number, since it uses less digits than its factorization.

172313324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737 (or 5735 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 172313324 is about 13126.8169789938. The cubic root of 172313324 is about 556.4672632921.

Adding to 172313324 its reverse (423313271), we get a palindrome (595626595).

The spelling of 172313324 in words is "one hundred seventy-two million, three hundred thirteen thousand, three hundred twenty-four".