523319 has 8 divisors (see below), whose sum is σ = 556512. Its totient is φ = 491040.

The previous prime is 523307. The next prime is 523333. The reversal of 523319 is 913325.

It is a happy number.

523319 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523319 is a prime.

It is a super-2 number, since 2×523319² = 547725551522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523294 and 523303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523349) 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, 1217 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (69564).

2⁵²³³¹⁹ is an apocalyptic number.

523319 is a deficient number, since it is larger than the sum of its proper divisors (33193).

523319 is a wasteful number, since it uses less digits than its factorization.

523319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 810, while the sum is 23.

The square root of 523319 is about 723.4079070621. The cubic root of 523319 is about 80.5852394942.

The spelling of 523319 in words is "five hundred twenty-three thousand, three hundred nineteen".