123203021233432 has 16 divisors (see below), whose sum is σ = 264006474071760. Its totient is φ = 52801294814304.

The previous prime is 123203021233427. The next prime is 123203021233433. The reversal of 123203021233432 is 234332120302321.

It is a junction number, because it is equal to n+sod(n) for n = 123203021233394 and 123203021233403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203021233433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100026975243 + ... + 1100026975354.

It is an arithmetic number, because the mean of its divisors is an integer number (16500404629485).

Almost surely, 2^{123203021233432} is an apocalyptic number.

It is an amenable number.

123203021233432 is an abundant number, since it is smaller than the sum of its proper divisors (140803452838328).

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

123203021233432 is a wasteful number, since it uses less digits than its factorization.

123203021233432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200053950610 (or 2200053950606 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 123203021233432 its reverse (234332120302321), we get a palindrome (357535141535753).

The spelling of 123203021233432 in words is "one hundred twenty-three trillion, two hundred three billion, twenty-one million, two hundred thirty-three thousand, four hundred thirty-two".