123302231142040 has 64 divisors (see below), whose sum is σ = 297773397970560. Its totient is φ = 45783777669120.

The previous prime is 123302231141983. The next prime is 123302231142043. The reversal of 123302231142040 is 40241132203321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123302231142043) 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 15 ways as a sum of consecutive naturals, for example, 1241914816 + ... + 1242014095.

It is an arithmetic number, because the mean of its divisors is an integer number (4652709343290).

Almost surely, 2^{123302231142040} is an apocalyptic number.

123302231142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302231142040 is an abundant number, since it is smaller than the sum of its proper divisors (174471166828520).

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

123302231142040 is a wasteful number, since it uses less digits than its factorization.

123302231142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483929012 (or 2483929008 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123302231142040 its reverse (40241132203321), we get a palindrome (163543363345361).

The spelling of 123302231142040 in words is "one hundred twenty-three trillion, three hundred two billion, two hundred thirty-one million, one hundred forty-two thousand, forty".