123110423412 has 48 divisors (see below), whose sum is σ = 288417894912. Its totient is φ = 40871207520.

The previous prime is 123110423407. The next prime is 123110423437. The reversal of 123110423412 is 214324011321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7690737 + ... + 7706727.

It is an arithmetic number, because the mean of its divisors is an integer number (6008706144).

Almost surely, 2^123110423412 is an apocalyptic number.

123110423412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123110423412 is an abundant number, since it is smaller than the sum of its proper divisors (165307471500).

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

123110423412 is a wasteful number, since it uses less digits than its factorization.

123110423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548 (or 18546 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123110423412 its reverse (214324011321), we get a palindrome (337434434733).

The spelling of 123110423412 in words is "one hundred twenty-three billion, one hundred ten million, four hundred twenty-three thousand, four hundred twelve".