624320223 has 32 divisors (see below), whose sum is σ = 905748480. Its totient is φ = 381012480.

The previous prime is 624320219. The next prime is 624320233. The reversal of 624320223 is 322023426.

It is a happy number.

It is not a de Polignac number, because 624320223 - 2² = 624320219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 624320193 and 624320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624320233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433138 + ... + 434576.

It is an arithmetic number, because the mean of its divisors is an integer number (28304640).

Almost surely, 2^624320223 is an apocalyptic number.

624320223 is a deficient number, since it is larger than the sum of its proper divisors (281428257).

624320223 is a wasteful number, since it uses less digits than its factorization.

624320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 624320223 is about 24986.4007612141. The cubic root of 624320223 is about 854.6778869383.

Adding to 624320223 its reverse (322023426), we get a palindrome (946343649).

The spelling of 624320223 in words is "six hundred twenty-four million, three hundred twenty thousand, two hundred twenty-three".