123342434123300 has 288 divisors, whose sum is σ = 320082846720000. Its totient is φ = 40337018979840.

The previous prime is 123342434123291. The next prime is 123342434123339. The reversal of 123342434123300 is 3321434243321.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11432234306 + ... + 11432245094.

Almost surely, 2^{123342434123300} is an apocalyptic number.

123342434123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123342434123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160041423360000).

123342434123300 is an abundant number, since it is smaller than the sum of its proper divisors (196740412596700).

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

123342434123300 is a wasteful number, since it uses less digits than its factorization.

123342434123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 123342434123300 its reverse (3321434243321), we get a palindrome (126663868366621).

The spelling of 123342434123300 in words is "one hundred twenty-three trillion, three hundred forty-two billion, four hundred thirty-four million, one hundred twenty-three thousand, three hundred".