623032612 has 6 divisors (see below), whose sum is σ = 1090307078. Its totient is φ = 311516304.

The previous prime is 623032577. The next prime is 623032621. The reversal of 623032612 is 216230326.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 530565156 + 92467456 = 23034^2 + 9616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77879073 + ... + 77879080.

Almost surely, 2^623032612 is an apocalyptic number.

It is an amenable number.

623032612 is a deficient number, since it is larger than the sum of its proper divisors (467274466).

623032612 is a wasteful number, since it uses less digits than its factorization.

623032612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155758157 (or 155758155 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 623032612 is about 24960.6212262435. The cubic root of 623032612 is about 854.0899140595.

Adding to 623032612 its reverse (216230326), we get a palindrome (839262938).

The spelling of 623032612 in words is "six hundred twenty-three million, thirty-two thousand, six hundred twelve".