624323 has 4 divisors (see below), whose sum is σ = 713520. Its totient is φ = 535128.

The previous prime is 624319. The next prime is 624329. The reversal of 624323 is 323426.

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 624323 - 2² = 624319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 624295 and 624304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624329) 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, 44588 + ... + 44601.

It is an arithmetic number, because the mean of its divisors is an integer number (178380).

2⁶²⁴³²³ is an apocalyptic number.

624323 is a deficient number, since it is larger than the sum of its proper divisors (89197).

624323 is an equidigital number, since it uses as much as digits as its factorization.

624323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89196.

The product of its digits is 864, while the sum is 20.

The square root of 624323 is about 790.1411266350. The cubic root of 624323 is about 85.4679154150.

Adding to 624323 its reverse (323426), we get a palindrome (947749).

The spelling of 624323 in words is "six hundred twenty-four thousand, three hundred twenty-three".