623962655 has 4 divisors (see below), whose sum is σ = 748755192. Its totient is φ = 499170120.

The previous prime is 623962643. The next prime is 623962667. The reversal of 623962655 is 556269326.

623962655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (623962643) and next prime (623962667).

It is not a de Polignac number, because 623962655 - 2¹⁰ = 623961631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62396261 + ... + 62396270.

It is an arithmetic number, because the mean of its divisors is an integer number (187188798).

Almost surely, 2^623962655 is an apocalyptic number.

623962655 is a deficient number, since it is larger than the sum of its proper divisors (124792537).

623962655 is a wasteful number, since it uses less digits than its factorization.

623962655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124792536.

The product of its digits is 583200, while the sum is 44.

The square root of 623962655 is about 24979.2444841713. The cubic root of 623962655 is about 854.5146887304.

The spelling of 623962655 in words is "six hundred twenty-three million, nine hundred sixty-two thousand, six hundred fifty-five".