123376512 has 192 divisors, whose sum is σ = 390700800. Its totient is φ = 34384896.

The previous prime is 123376501. The next prime is 123376549. The reversal of 123376512 is 215673321.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×123376512² = 30443527426572288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123376512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486423 + ... + 1486505.

It is an arithmetic number, because the mean of its divisors is an integer number (2034900).

Almost surely, 2^123376512 is an apocalyptic number.

123376512 is a gapful number since it is divisible by the number (12) 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 123376512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195350400).

123376512 is an abundant number, since it is smaller than the sum of its proper divisors (267324288).

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

123376512 is an equidigital number, since it uses as much as digits as its factorization.

123376512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 174 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 123376512 is about 11107.4980081025. The cubic root of 123376512 is about 497.8259096977.

The spelling of 123376512 in words is "one hundred twenty-three million, three hundred seventy-six thousand, five hundred twelve".