1020003423799 has 2 divisors, whose sum is σ = 1020003423800. Its totient is φ = 1020003423798.

The previous prime is 1020003423797. The next prime is 1020003423847. The reversal of 1020003423799 is 9973243000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020003423799 - 2¹ = 1020003423797 is a prime.

Together with 1020003423797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020003423797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510001711899 + 510001711900.

It is an arithmetic number, because the mean of its divisors is an integer number (510001711900).

Almost surely, 2^{1020003423799} is an apocalyptic number.

1020003423799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020003423799 is an equidigital number, since it uses as much as digits as its factorization.

1020003423799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 1020003423799 in words is "one trillion, twenty billion, three million, four hundred twenty-three thousand, seven hundred ninety-nine".