2023420439 has 2 divisors, whose sum is σ = 2023420440. Its totient is φ = 2023420438.

The previous prime is 2023420417. The next prime is 2023420457. The reversal of 2023420439 is 9340243202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023420439 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 (2023420339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011710219 + 1011710220.

It is an arithmetic number, because the mean of its divisors is an integer number (1011710220).

Almost surely, 2^2023420439 is an apocalyptic number.

2023420439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023420439 is an equidigital number, since it uses as much as digits as its factorization.

2023420439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2023420439 is about 44982.4458983724. The cubic root of 2023420439 is about 1264.8199609418.

The spelling of 2023420439 in words is "two billion, twenty-three million, four hundred twenty thousand, four hundred thirty-nine".