523457 has 8 divisors (see below), whose sum is σ = 596160. Its totient is φ = 454960.

The previous prime is 523433. The next prime is 523459. The reversal of 523457 is 754325.

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

It is a de Polignac number, because none of the positive numbers 2^k-523457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523459) 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, 782 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2⁵²³⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

523457 is a deficient number, since it is larger than the sum of its proper divisors (72703).

523457 is a wasteful number, since it uses less digits than its factorization.

523457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 4200, while the sum is 26.

The square root of 523457 is about 723.5032826463. The cubic root of 523457 is about 80.5923223542.

The spelling of 523457 in words is "five hundred twenty-three thousand, four hundred fifty-seven".