312130022123 has 2 divisors, whose sum is σ = 312130022124. Its totient is φ = 312130022122.

The previous prime is 312130022069. The next prime is 312130022201. The reversal of 312130022123 is 321220031213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312130022123 - 2³² = 307835054827 is a prime.

It is a super-3 number, since 3×312130022123³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312130022095 and 312130022104.

It is not a weakly prime, because it can be changed into another prime (312130022923) 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 as a sum of consecutive naturals, namely, 156065011061 + 156065011062.

It is an arithmetic number, because the mean of its divisors is an integer number (156065011062).

Almost surely, 2^312130022123 is an apocalyptic number.

312130022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

312130022123 is an equidigital number, since it uses as much as digits as its factorization.

312130022123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312130022123 its reverse (321220031213), we get a palindrome (633350053336).

The spelling of 312130022123 in words is "three hundred twelve billion, one hundred thirty million, twenty-two thousand, one hundred twenty-three".