623375558899 has 2 divisors, whose sum is σ = 623375558900. Its totient is φ = 623375558898.

The previous prime is 623375558893. The next prime is 623375558929. The reversal of 623375558899 is 998855573326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623375558899 - 2¹⁵ = 623375526131 is a prime.

It is not a weakly prime, because it can be changed into another prime (623375558893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311687779449 + 311687779450.

It is an arithmetic number, because the mean of its divisors is an integer number (311687779450).

Almost surely, 2^623375558899 is an apocalyptic number.

623375558899 is a deficient number, since it is larger than the sum of its proper divisors (1).

623375558899 is an equidigital number, since it uses as much as digits as its factorization.

623375558899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888000, while the sum is 70.

The spelling of 623375558899 in words is "six hundred twenty-three billion, three hundred seventy-five million, five hundred fifty-eight thousand, eight hundred ninety-nine".