123304022340 has 24 divisors (see below), whose sum is σ = 345251262720. Its totient is φ = 32881072608.

The previous prime is 123304022323. The next prime is 123304022489. The reversal of 123304022340 is 43220403321.

It is a self number, because there is not a number n which added to its sum of digits gives 123304022340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027533460 + ... + 1027533579.

It is an arithmetic number, because the mean of its divisors is an integer number (14385469280).

Almost surely, 2^123304022340 is an apocalyptic number.

123304022340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123304022340 is an abundant number, since it is smaller than the sum of its proper divisors (221947240380).

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

123304022340 is a wasteful number, since it uses less digits than its factorization.

123304022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055067051 (or 2055067049 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123304022340 its reverse (43220403321), we get a palindrome (166524425661).

The spelling of 123304022340 in words is "one hundred twenty-three billion, three hundred four million, twenty-two thousand, three hundred forty".