623985053 has 2 divisors, whose sum is σ = 623985054. Its totient is φ = 623985052.

The previous prime is 623985041. The next prime is 623985067. The reversal of 623985053 is 350589326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621155929 + 2829124 = 24923^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 623985053 - 2⁸ = 623984797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623985053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623985013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311992526 + 311992527.

It is an arithmetic number, because the mean of its divisors is an integer number (311992527).

Almost surely, 2^623985053 is an apocalyptic number.

It is an amenable number.

623985053 is a deficient number, since it is larger than the sum of its proper divisors (1).

623985053 is an equidigital number, since it uses as much as digits as its factorization.

623985053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 623985053 is about 24979.6928123626. The cubic root of 623985053 is about 854.5249132692.

The spelling of 623985053 in words is "six hundred twenty-three million, nine hundred eighty-five thousand, fifty-three".