624023 has 4 divisors (see below), whose sum is σ = 627000. Its totient is φ = 621048.

The previous prime is 624007. The next prime is 624031. The reversal of 624023 is 320426.

624023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 624023 - 2⁴ = 624007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623992 and 624010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623023) 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, 1148 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (156750).

2⁶²⁴⁰²³ is an apocalyptic number.

624023 is a deficient number, since it is larger than the sum of its proper divisors (2977).

624023 is a wasteful number, since it uses less digits than its factorization.

624023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 624023 is about 789.9512643195. The cubic root of 624023 is about 85.4542235265.

Adding to 624023 its reverse (320426), we get a palindrome (944449).

The spelling of 624023 in words is "six hundred twenty-four thousand, twenty-three".