123311140441500 has 192 divisors, whose sum is σ = 400835768965632. Its totient is φ = 29198409408000.

The previous prime is 123311140441403. The next prime is 123311140441529. The reversal of 123311140441500 is 5144041113321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86190529 + ... + 87609528.

It is an arithmetic number, because the mean of its divisors is an integer number (2087686296696).

Almost surely, 2^{123311140441500} is an apocalyptic number.

123311140441500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123311140441500 is an abundant number, since it is smaller than the sum of its proper divisors (277524628524132).

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

123311140441500 is a wasteful number, since it uses less digits than its factorization.

123311140441500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173800133 (or 173800121 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 123311140441500 its reverse (5144041113321), we get a palindrome (128455181554821).

The spelling of 123311140441500 in words is "one hundred twenty-three trillion, three hundred eleven billion, one hundred forty million, four hundred forty-one thousand, five hundred".