172823583 has 8 divisors (see below), whose sum is σ = 230561968. Its totient is φ = 115150464.

The previous prime is 172823561. The next prime is 172823591. The reversal of 172823583 is 385328271.

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

It is not a de Polignac number, because 172823583 - 2¹⁴ = 172807199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172823503) by changing a digit.

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, 9760 + ... + 20997.

It is an arithmetic number, because the mean of its divisors is an integer number (28820246).

Almost surely, 2^172823583 is an apocalyptic number.

172823583 is a deficient number, since it is larger than the sum of its proper divisors (57738385).

172823583 is a wasteful number, since it uses less digits than its factorization.

172823583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32633.

The product of its digits is 80640, while the sum is 39.

The square root of 172823583 is about 13146.2383593178. The cubic root of 172823583 is about 557.0159974433.

The spelling of 172823583 in words is "one hundred seventy-two million, eight hundred twenty-three thousand, five hundred eighty-three".