623999316 has 48 divisors (see below), whose sum is σ = 1518035904. Its totient is φ = 199320576.

The previous prime is 623999309. The next prime is 623999357. The reversal of 623999316 is 613999326.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15940 + ... + 38756.

It is an arithmetic number, because the mean of its divisors is an integer number (31625748).

Almost surely, 2^623999316 is an apocalyptic number.

It is an amenable number.

623999316 is an abundant number, since it is smaller than the sum of its proper divisors (894036588).

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

623999316 is a wasteful number, since it uses less digits than its factorization.

623999316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22920 (or 22918 counting only the distinct ones).

The product of its digits is 472392, while the sum is 48.

The square root of 623999316 is about 24979.9783026327. The cubic root of 623999316 is about 854.5314241067.

The spelling of 623999316 in words is "six hundred twenty-three million, nine hundred ninety-nine thousand, three hundred sixteen".