123010311043120 has 80 divisors (see below), whose sum is σ = 286522356895488. Its totient is φ = 49114113269760.

The previous prime is 123010311043093. The next prime is 123010311043121. The reversal of 123010311043120 is 21340113010321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 123010311043091 and 123010311043100.

It is not an unprimeable number, because it can be changed into a prime (123010311043121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238200232 + ... + 238716088.

Almost surely, 2^{123010311043120} is an apocalyptic number.

123010311043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123010311043120 is an abundant number, since it is smaller than the sum of its proper divisors (163512045852368).

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

123010311043120 is a wasteful number, since it uses less digits than its factorization.

123010311043120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521318 (or 521312 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123010311043120 its reverse (21340113010321), we get a palindrome (144350424053441).

The spelling of 123010311043120 in words is "one hundred twenty-three trillion, ten billion, three hundred eleven million, forty-three thousand, one hundred twenty".