423292813 has 2 divisors, whose sum is σ = 423292814. Its totient is φ = 423292812.

The previous prime is 423292799. The next prime is 423292867. The reversal of 423292813 is 318292324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348867684 + 74425129 = 18678^2 + 8627^2 .

It is a cyclic number.

It is not a de Polignac number, because 423292813 - 2⁵ = 423292781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423293813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211646406 + 211646407.

It is an arithmetic number, because the mean of its divisors is an integer number (211646407).

Almost surely, 2^423292813 is an apocalyptic number.

It is an amenable number.

423292813 is a deficient number, since it is larger than the sum of its proper divisors (1).

423292813 is an equidigital number, since it uses as much as digits as its factorization.

423292813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 423292813 is about 20574.0810973419. The cubic root of 423292813 is about 750.8392460194.

The spelling of 423292813 in words is "four hundred twenty-three million, two hundred ninety-two thousand, eight hundred thirteen".