623499305701 has 2 divisors, whose sum is σ = 623499305702. Its totient is φ = 623499305700.

The previous prime is 623499305687. The next prime is 623499305747. The reversal of 623499305701 is 107503994326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622315876900 + 1183428801 = 788870^2 + 34401^2 .

It is a cyclic number.

It is not a de Polignac number, because 623499305701 - 2²⁹ = 622962434789 is a prime.

It is a super-2 number, since 2×623499305701² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623499305771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311749652850 + 311749652851.

It is an arithmetic number, because the mean of its divisors is an integer number (311749652851).

Almost surely, 2^623499305701 is an apocalyptic number.

It is an amenable number.

623499305701 is a deficient number, since it is larger than the sum of its proper divisors (1).

623499305701 is an equidigital number, since it uses as much as digits as its factorization.

623499305701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 623499305701 in words is "six hundred twenty-three billion, four hundred ninety-nine million, three hundred five thousand, seven hundred one".