123424533629 has 32 divisors (see below), whose sum is σ = 132072145920. Its totient is φ = 115142130432.

The previous prime is 123424533619. The next prime is 123424533637. The reversal of 123424533629 is 926335424321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123424533629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123424533629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123424533619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52363919 + ... + 52366275.

It is an arithmetic number, because the mean of its divisors is an integer number (4127254560).

Almost surely, 2^123424533629 is an apocalyptic number.

It is an amenable number.

123424533629 is a deficient number, since it is larger than the sum of its proper divisors (8647612291).

123424533629 is a wasteful number, since it uses less digits than its factorization.

123424533629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its digits is 933120, while the sum is 44.

The spelling of 123424533629 in words is "one hundred twenty-three billion, four hundred twenty-four million, five hundred thirty-three thousand, six hundred twenty-nine".