123351140112 has 40 divisors (see below), whose sum is σ = 318700601856. Its totient is φ = 41111435136.

The previous prime is 123351140083. The next prime is 123351140141. The reversal of 123351140112 is 211041153321.

It is an interprime number because it is at equal distance from previous prime (123351140083) and next prime (123351140141).

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

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, 187758 + ... + 530994.

Almost surely, 2^123351140112 is an apocalyptic number.

123351140112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123351140112 is an abundant number, since it is smaller than the sum of its proper divisors (195349461744).

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

123351140112 is a wasteful number, since it uses less digits than its factorization.

123351140112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350735 (or 350729 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 123351140112 its reverse (211041153321), we get a palindrome (334392293433).

The spelling of 123351140112 in words is "one hundred twenty-three billion, three hundred fifty-one million, one hundred forty thousand, one hundred twelve".