1020335423 has 2 divisors, whose sum is σ = 1020335424. Its totient is φ = 1020335422.

The previous prime is 1020335419. The next prime is 1020335441. The reversal of 1020335423 is 3245330201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020335423 - 2² = 1020335419 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 (1020335923) 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, 510167711 + 510167712.

It is an arithmetic number, because the mean of its divisors is an integer number (510167712).

Almost surely, 2^1020335423 is an apocalyptic number.

1020335423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020335423 is an equidigital number, since it uses as much as digits as its factorization.

1020335423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1020335423 is about 31942.6896644600. The cubic root of 1020335423 is about 1006.7330387774.

Adding to 1020335423 its reverse (3245330201), we get a palindrome (4265665624).

The spelling of 1020335423 in words is "one billion, twenty million, three hundred thirty-five thousand, four hundred twenty-three".