123432647626 has 32 divisors (see below), whose sum is σ = 203252490000. Its totient is φ = 55957880832.

The previous prime is 123432647623. The next prime is 123432647633. The reversal of 123432647626 is 626746234321.

123432647626 is digitally balanced in base 3, 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 8 ways, for example, as 119201015025 + 4231632601 = 345255^2 + 65051^2 .

It is not an unprimeable number, because it can be changed into a prime (123432647623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303310 + ... + 582118.

Almost surely, 2^123432647626 is an apocalyptic number.

123432647626 is a deficient number, since it is larger than the sum of its proper divisors (79819842374).

123432647626 is a wasteful number, since it uses less digits than its factorization.

123432647626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279306.

The product of its digits is 1741824, while the sum is 46.

The spelling of 123432647626 in words is "one hundred twenty-three billion, four hundred thirty-two million, six hundred forty-seven thousand, six hundred twenty-six".