123331231110040 has 32 divisors (see below), whose sum is σ = 287064072414000. Its totient is φ = 47631372014464.

The previous prime is 123331231109963. The next prime is 123331231110077. The reversal of 123331231110040 is 40011132133321.

It is a junction number, because it is equal to n+sod(n) for n = 123331231109987 and 123331231110014.

It is a congruent number.

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, 53160012250 + ... + 53160014569.

Almost surely, 2^{123331231110040} is an apocalyptic number.

123331231110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123331231110040 is an abundant number, since it is smaller than the sum of its proper divisors (163732841303960).

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

123331231110040 is a wasteful number, since it uses less digits than its factorization.

123331231110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106320026859 (or 106320026855 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123331231110040 its reverse (40011132133321), we get a palindrome (163342363243361).

The spelling of 123331231110040 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, forty".