2130313312123 has 2 divisors, whose sum is σ = 2130313312124. Its totient is φ = 2130313312122.

The previous prime is 2130313312121. The next prime is 2130313312133. The reversal of 2130313312123 is 3212133130312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130313312123 - 2¹ = 2130313312121 is a prime.

Together with 2130313312121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2130313312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065156656061 + 1065156656062.

It is an arithmetic number, because the mean of its divisors is an integer number (1065156656062).

Almost surely, 2^{2130313312123} is an apocalyptic number.

2130313312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130313312123 is an equidigital number, since it uses as much as digits as its factorization.

2130313312123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2130313312123 its reverse (3212133130312), we get a palindrome (5342446442435).

The spelling of 2130313312123 in words is "two trillion, one hundred thirty billion, three hundred thirteen million, three hundred twelve thousand, one hundred twenty-three".