2313123019 has 2 divisors, whose sum is σ = 2313123020. Its totient is φ = 2313123018.

The previous prime is 2313123017. The next prime is 2313123031. The reversal of 2313123019 is 9103213132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2313123019 - 2¹ = 2313123017 is a prime.

It is a super-2 number, since 2×2313123019² = 10701076202055348722, which contains 22 as substring.

Together with 2313123017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2313122984 and 2313123002.

It is not a weakly prime, because it can be changed into another prime (2313123017) 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, 1156561509 + 1156561510.

It is an arithmetic number, because the mean of its divisors is an integer number (1156561510).

Almost surely, 2^2313123019 is an apocalyptic number.

2313123019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313123019 is an equidigital number, since it uses as much as digits as its factorization.

2313123019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2313123019 is about 48094.9375610365. The cubic root of 2313123019 is about 1322.5118644166.

The spelling of 2313123019 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, nineteen".