623360556 has 432 divisors, whose sum is σ = 2208034080. Its totient is φ = 150958080.

The previous prime is 623360537. The next prime is 623360567. The reversal of 623360556 is 655063326.

623360556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 623360556.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15203896 + ... + 15203936.

It is an arithmetic number, because the mean of its divisors is an integer number (5111190).

Almost surely, 2^623360556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623360556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104017040).

623360556 is an abundant number, since it is smaller than the sum of its proper divisors (1584673524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623360556 is a wasteful number, since it uses less digits than its factorization.

623360556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 623360556 is about 24967.1895895393. The cubic root of 623360556 is about 854.2397427778.

The spelling of 623360556 in words is "six hundred twenty-three million, three hundred sixty thousand, five hundred fifty-six".