123714520 has 32 divisors (see below), whose sum is σ = 279832320. Its totient is φ = 49223680.

The previous prime is 123714511. The next prime is 123714523. The reversal of 123714520 is 25417321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123714523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (8744760).

Almost surely, 2^123714520 is an apocalyptic number.

123714520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123714520 is an abundant number, since it is smaller than the sum of its proper divisors (156117800).

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

123714520 is a wasteful number, since it uses less digits than its factorization.

123714520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395 (or 16391 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 123714520 is about 11122.7029089156. The cubic root of 123714520 is about 498.2801174580.

The spelling of 123714520 in words is "one hundred twenty-three million, seven hundred fourteen thousand, five hundred twenty".