123423114100 has 144 divisors (see below), whose sum is σ = 318637105920. Its totient is φ = 40903948800.

The previous prime is 123423114037. The next prime is 123423114109. The reversal of 123423114100 is 1411324321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423114109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1075074 + ... + 1184326.

It is an arithmetic number, because the mean of its divisors is an integer number (2212757680).

Almost surely, 2^123423114100 is an apocalyptic number.

123423114100 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 123423114100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159318552960).

123423114100 is an abundant number, since it is smaller than the sum of its proper divisors (195213991820).

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

123423114100 is a wasteful number, since it uses less digits than its factorization.

123423114100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109370 (or 109363 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123423114100 its reverse (1411324321), we get a palindrome (124834438421).

The spelling of 123423114100 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred fourteen thousand, one hundred".