831980423 has 2 divisors, whose sum is σ = 831980424. Its totient is φ = 831980422.

The previous prime is 831980411. The next prime is 831980431. The reversal of 831980423 is 324089138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 831980423 - 2²⁶ = 764871559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (831980453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415990211 + 415990212.

It is an arithmetic number, because the mean of its divisors is an integer number (415990212).

Almost surely, 2^831980423 is an apocalyptic number.

831980423 is a deficient number, since it is larger than the sum of its proper divisors (1).

831980423 is an equidigital number, since it uses as much as digits as its factorization.

831980423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 831980423 is about 28844.0708465362. The cubic root of 831980423 is about 940.5264980947.

The spelling of 831980423 in words is "eight hundred thirty-one million, nine hundred eighty thousand, four hundred twenty-three".