623506122 has 24 divisors (see below), whose sum is σ = 1353903876. Its totient is φ = 207377856.

The previous prime is 623506099. The next prime is 623506171. The reversal of 623506122 is 221605326.

623506122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 555592041 + 67914081 = 23571^2 + 8241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29673 + ... + 46124.

Almost surely, 2^623506122 is an apocalyptic number.

623506122 is an abundant number, since it is smaller than the sum of its proper divisors (730397754).

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

623506122 is a wasteful number, since it uses less digits than its factorization.

623506122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76262 (or 76259 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 623506122 is about 24970.1045652596. The cubic root of 623506122 is about 854.3062310957.

The spelling of 623506122 in words is "six hundred twenty-three million, five hundred six thousand, one hundred twenty-two".