623583 has 12 divisors (see below), whose sum is σ = 907920. Its totient is φ = 412416.

The previous prime is 623563. The next prime is 623591. The reversal of 623583 is 385326.

It is not a de Polignac number, because 623583 - 2⁸ = 623327 is a prime.

It is a plaindrome in base 13 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623583.

It is not an unprimeable number, because it can be changed into a prime (623563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1558 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (75660).

2⁶²³⁵⁸³ is an apocalyptic number.

623583 is a deficient number, since it is larger than the sum of its proper divisors (284337).

623583 is a wasteful number, since it uses less digits than its factorization.

623583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 623583 is about 789.6727170164. The cubic root of 623583 is about 85.4341341500.

The spelling of 623583 in words is "six hundred twenty-three thousand, five hundred eighty-three".