523952173 has 4 divisors (see below), whose sum is σ = 540853888. Its totient is φ = 507050460.

The previous prime is 523952159. The next prime is 523952183. The reversal of 523952173 is 371259325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523952173 - 2⁵ = 523952141 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 (523952183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8450811 + ... + 8450872.

It is an arithmetic number, because the mean of its divisors is an integer number (135213472).

Almost surely, 2^523952173 is an apocalyptic number.

It is an amenable number.

523952173 is a deficient number, since it is larger than the sum of its proper divisors (16901715).

523952173 is a wasteful number, since it uses less digits than its factorization.

523952173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901714.

The product of its digits is 56700, while the sum is 37.

The square root of 523952173 is about 22890.0015945827. The cubic root of 523952173 is about 806.1772690196.

The spelling of 523952173 in words is "five hundred twenty-three million, nine hundred fifty-two thousand, one hundred seventy-three".