623984299 has 2 divisors, whose sum is σ = 623984300. Its totient is φ = 623984298.

The previous prime is 623984297. The next prime is 623984323. The reversal of 623984299 is 992489326.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623984299 - 2¹ = 623984297 is a prime.

Together with 623984297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (623984293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311992149 + 311992150.

It is an arithmetic number, because the mean of its divisors is an integer number (311992150).

Almost surely, 2^623984299 is an apocalyptic number.

623984299 is a deficient number, since it is larger than the sum of its proper divisors (1).

623984299 is an equidigital number, since it uses as much as digits as its factorization.

623984299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The square root of 623984299 is about 24979.6777200988. The cubic root of 623984299 is about 854.5245690771.

The spelling of 623984299 in words is "six hundred twenty-three million, nine hundred eighty-four thousand, two hundred ninety-nine".