2123443319 has 2 divisors, whose sum is σ = 2123443320. Its totient is φ = 2123443318.

The previous prime is 2123443303. The next prime is 2123443349. The reversal of 2123443319 is 9133443212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123443319 - 2⁴ = 2123443303 is a prime.

It is a super-2 number, since 2×2123443319² = 9018023058011471522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123443349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061721659 + 1061721660.

It is an arithmetic number, because the mean of its divisors is an integer number (1061721660).

Almost surely, 2^2123443319 is an apocalyptic number.

2123443319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123443319 is an equidigital number, since it uses as much as digits as its factorization.

2123443319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 2123443319 is about 46080.8346170075. The cubic root of 2123443319 is about 1285.3267841144.

The spelling of 2123443319 in words is "two billion, one hundred twenty-three million, four hundred forty-three thousand, three hundred nineteen".