623713316 has 6 divisors (see below), whose sum is σ = 1091498310. Its totient is φ = 311856656.

The previous prime is 623713313. The next prime is 623713393. The reversal of 623713316 is 613317326.

It can be written as a sum of positive squares in only one way, i.e., 481626916 + 142086400 = 21946^2 + 11920^2 .

It is not an unprimeable number, because it can be changed into a prime (623713313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77964161 + ... + 77964168.

It is an arithmetic number, because the mean of its divisors is an integer number (181916385).

Almost surely, 2^623713316 is an apocalyptic number.

It is an amenable number.

623713316 is a deficient number, since it is larger than the sum of its proper divisors (467784994).

623713316 is a wasteful number, since it uses less digits than its factorization.

623713316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155928333 (or 155928331 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 623713316 is about 24974.2530619036. The cubic root of 623713316 is about 854.4008506008.

The spelling of 623713316 in words is "six hundred twenty-three million, seven hundred thirteen thousand, three hundred sixteen".