123312130 has 8 divisors (see below), whose sum is σ = 221961852. Its totient is φ = 49324848.

The previous prime is 123312113. The next prime is 123312181. The reversal of 123312130 is 31213321.

It can be written as a sum of positive squares in 2 ways, for example, as 119443041 + 3869089 = 10929^2 + 1967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165597 + ... + 6165616.

Almost surely, 2^123312130 is an apocalyptic number.

123312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123312130 is a deficient number, since it is larger than the sum of its proper divisors (98649722).

123312130 is a wasteful number, since it uses less digits than its factorization.

123312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331220.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 123312130 is about 11104.5994975055. The cubic root of 123312130 is about 497.7393005478.

Adding to 123312130 its reverse (31213321), we get a palindrome (154525451).

The spelling of 123312130 in words is "one hundred twenty-three million, three hundred twelve thousand, one hundred thirty".