623163601 has 2 divisors, whose sum is σ = 623163602. Its totient is φ = 623163600.

The previous prime is 623163557. The next prime is 623163623. The reversal of 623163601 is 106361326.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399960001 + 223203600 = 19999^2 + 14940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623163601 is a prime.

It is a super-2 number, since 2×623163601² = 776665747222574402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623163601.

It is not a weakly prime, because it can be changed into another prime (623163631) 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, 311581800 + 311581801.

It is an arithmetic number, because the mean of its divisors is an integer number (311581801).

Almost surely, 2^623163601 is an apocalyptic number.

It is an amenable number.

623163601 is a deficient number, since it is larger than the sum of its proper divisors (1).

623163601 is an equidigital number, since it uses as much as digits as its factorization.

623163601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 623163601 is about 24963.2450014016. The cubic root of 623163601 is about 854.1497656853.

The spelling of 623163601 in words is "six hundred twenty-three million, one hundred sixty-three thousand, six hundred one".