123312514 has 16 divisors (see below), whose sum is σ = 199459008. Its totient is φ = 56838672.

The previous prime is 123312487. The next prime is 123312517. The reversal of 123312514 is 415213321.

It is a happy number.

It is a super-2 number, since 2×123312514² = 30411952218000392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123312517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20389 + ... + 25735.

It is an arithmetic number, because the mean of its divisors is an integer number (12466188).

Almost surely, 2^123312514 is an apocalyptic number.

123312514 is a deficient number, since it is larger than the sum of its proper divisors (76146494).

123312514 is a wasteful number, since it uses less digits than its factorization.

123312514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249.

The product of its digits is 720, while the sum is 22.

The square root of 123312514 is about 11104.6167876249. The cubic root of 123312514 is about 497.7398172088.

Adding to 123312514 its reverse (415213321), we get a palindrome (538525835).

The spelling of 123312514 in words is "one hundred twenty-three million, three hundred twelve thousand, five hundred fourteen".