623107399 has 2 divisors, whose sum is σ = 623107400. Its totient is φ = 623107398.

The previous prime is 623107363. The next prime is 623107403. The reversal of 623107399 is 993701326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623107399 - 2²⁹ = 86236487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623107699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311553699 + 311553700.

It is an arithmetic number, because the mean of its divisors is an integer number (311553700).

Almost surely, 2^623107399 is an apocalyptic number.

623107399 is a deficient number, since it is larger than the sum of its proper divisors (1).

623107399 is an equidigital number, since it uses as much as digits as its factorization.

623107399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 623107399 is about 24962.1192810226. The cubic root of 623107399 is about 854.1240868383.

The spelling of 623107399 in words is "six hundred twenty-three million, one hundred seven thousand, three hundred ninety-nine".