623324612 has 6 divisors (see below), whose sum is σ = 1090818078. Its totient is φ = 311662304.

The previous prime is 623324609. The next prime is 623324623. The reversal of 623324612 is 216423326.

It can be written as a sum of positive squares in only one way, i.e., 592143556 + 31181056 = 24334^2 + 5584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77915573 + ... + 77915580.

It is an arithmetic number, because the mean of its divisors is an integer number (181803013).

Almost surely, 2^623324612 is an apocalyptic number.

It is an amenable number.

623324612 is a deficient number, since it is larger than the sum of its proper divisors (467493466).

623324612 is a wasteful number, since it uses less digits than its factorization.

623324612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155831157 (or 155831155 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 623324612 is about 24966.4697544527. The cubic root of 623324612 is about 854.2233235037.

Adding to 623324612 its reverse (216423326), we get a palindrome (839747938).

The spelling of 623324612 in words is "six hundred twenty-three million, three hundred twenty-four thousand, six hundred twelve".