123320330130040 has 32 divisors (see below), whose sum is σ = 277471181799360. Its totient is φ = 49328054006400.

The previous prime is 123320330129987. The next prime is 123320330130043. The reversal of 123320330130040 is 40031033023321.

It is a junction number, because it is equal to n+sod(n) for n = 123320330129987 and 123320330130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320330130043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27781810 + ... + 31913470.

It is an arithmetic number, because the mean of its divisors is an integer number (8670974431230).

Almost surely, 2^{123320330130040} is an apocalyptic number.

123320330130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320330130040 is an abundant number, since it is smaller than the sum of its proper divisors (154150851669320).

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

123320330130040 is a wasteful number, since it uses less digits than its factorization.

123320330130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877863 (or 4877859 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123320330130040 its reverse (40031033023321), we get a palindrome (163351363153361).

The spelling of 123320330130040 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred thirty million, one hundred thirty thousand, forty".