123112014144 has 56 divisors (see below), whose sum is σ = 372267284928. Its totient is φ = 35174860800.

The previous prime is 123112014089. The next prime is 123112014199. The reversal of 123112014144 is 441410211321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123112014089) and next prime (123112014199).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 45799257 + ... + 45801944.

It is an arithmetic number, because the mean of its divisors is an integer number (6647630088).

Almost surely, 2^123112014144 is an apocalyptic number.

123112014144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123112014144 is an abundant number, since it is smaller than the sum of its proper divisors (249155270784).

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

123112014144 is an equidigital number, since it uses as much as digits as its factorization.

123112014144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91601223 (or 91601213 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 123112014144 its reverse (441410211321), we get a palindrome (564522225465).

The spelling of 123112014144 in words is "one hundred twenty-three billion, one hundred twelve million, fourteen thousand, one hundred forty-four".