623530332 has 24 divisors (see below), whose sum is σ = 1616560400. Its totient is φ = 207843408.

The previous prime is 623530321. The next prime is 623530333. The reversal of 623530332 is 233035326.

623530332 is a `hidden beast` number, since 623 + 5 + 3 + 0 + 3 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 623530296 and 623530305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623530333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886607 + ... + 2886822.

Almost surely, 2^623530332 is an apocalyptic number.

It is an amenable number.

623530332 is an abundant number, since it is smaller than the sum of its proper divisors (993030068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623530332 is a wasteful number, since it uses less digits than its factorization.

623530332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773442 (or 5773434 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

The square root of 623530332 is about 24970.5893402619. The cubic root of 623530332 is about 854.3172881837.

Adding to 623530332 its reverse (233035326), we get a palindrome (856565658).

The spelling of 623530332 in words is "six hundred twenty-three million, five hundred thirty thousand, three hundred thirty-two".