2130323123 has 2 divisors, whose sum is σ = 2130323124. Its totient is φ = 2130323122.

The previous prime is 2130323119. The next prime is 2130323171. The reversal of 2130323123 is 3213230312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130323123 - 2² = 2130323119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130323095 and 2130323104.

It is not a weakly prime, because it can be changed into another prime (2130323113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065161561 + 1065161562.

It is an arithmetic number, because the mean of its divisors is an integer number (1065161562).

Almost surely, 2^2130323123 is an apocalyptic number.

2130323123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130323123 is an equidigital number, since it uses as much as digits as its factorization.

2130323123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2130323123 is about 46155.4235491345. The cubic root of 2130323123 is about 1286.7134098550.

Adding to 2130323123 its reverse (3213230312), we get a palindrome (5343553435).

The spelling of 2130323123 in words is "two billion, one hundred thirty million, three hundred twenty-three thousand, one hundred twenty-three".