123331111310010 has 256 divisors, whose sum is σ = 335065285739520. Its totient is φ = 28880870768640.

The previous prime is 123331111309997. The next prime is 123331111310041. The reversal of 123331111310010 is 10013111133321.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3418913334 + ... + 3418949406.

It is an arithmetic number, because the mean of its divisors is an integer number (1308848772420).

Almost surely, 2^{123331111310010} is an apocalyptic number.

123331111310010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123331111310010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167532642869760).

123331111310010 is an abundant number, since it is smaller than the sum of its proper divisors (211734174429510).

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

123331111310010 is a wasteful number, since it uses less digits than its factorization.

123331111310010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43273.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 123331111310010 its reverse (10013111133321), we get a palindrome (133344222443331).

The spelling of 123331111310010 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred eleven million, three hundred ten thousand, ten".