130312123 has 12 divisors (see below), whose sum is σ = 139149592. Its totient is φ = 122008320.

The previous prime is 130312111. The next prime is 130312129. The reversal of 130312123 is 321213031.

It is a de Polignac number, because none of the positive numbers 2^k-130312123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130312097 and 130312106.

It is not an unprimeable number, because it can be changed into a prime (130312129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59911 + ... + 62047.

Almost surely, 2^130312123 is an apocalyptic number.

130312123 is a deficient number, since it is larger than the sum of its proper divisors (8837469).

130312123 is a wasteful number, since it uses less digits than its factorization.

130312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2365 counting only the distinct ones).

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

The square root of 130312123 is about 11415.4335441104. The cubic root of 130312123 is about 506.9848014045.

Adding to 130312123 its reverse (321213031), we get a palindrome (451525154).

The spelling of 130312123 in words is "one hundred thirty million, three hundred twelve thousand, one hundred twenty-three".