557723 has 8 divisors (see below), whose sum is σ = 583296. Its totient is φ = 532800.

The previous prime is 557717. The next prime is 557729. The reversal of 557723 is 327755.

It is an interprime number because it is at equal distance from previous prime (557717) and next prime (557729).

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

It is a cyclic number.

It is not a de Polignac number, because 557723 - 2¹² = 553627 is a prime.

It is a super-2 number, since 2×557723² = 622109889458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557729) 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, 2390 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2⁵⁵⁷⁷²³ is an apocalyptic number.

557723 is a deficient number, since it is larger than the sum of its proper divisors (25573).

557723 is a wasteful number, since it uses less digits than its factorization.

557723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 7350, while the sum is 29.

The square root of 557723 is about 746.8085430684. The cubic root of 557723 is about 82.3138379684.

It can be divided in two parts, 5577 and 23, that multiplied together give a triangular number (128271 = T₅₀₆).

The spelling of 557723 in words is "five hundred fifty-seven thousand, seven hundred twenty-three".