623163623 has 2 divisors, whose sum is σ = 623163624. Its totient is φ = 623163622.

The previous prime is 623163601. The next prime is 623163631. The reversal of 623163623 is 326361326.

623163623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623163623 - 2¹² = 623159527 is a prime.

It is a super-2 number, since 2×623163623² = 776665802060972258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 623163623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623163683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311581811 + 311581812.

It is an arithmetic number, because the mean of its divisors is an integer number (311581812).

Almost surely, 2^623163623 is an apocalyptic number.

623163623 is a deficient number, since it is larger than the sum of its proper divisors (1).

623163623 is an equidigital number, since it uses as much as digits as its factorization.

623163623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 32.

The square root of 623163623 is about 24963.2454420494. The cubic root of 623163623 is about 854.1497757368.

The spelling of 623163623 in words is "six hundred twenty-three million, one hundred sixty-three thousand, six hundred twenty-three".