1020023013259 has 2 divisors, whose sum is σ = 1020023013260. Its totient is φ = 1020023013258.

The previous prime is 1020023013167. The next prime is 1020023013281. The reversal of 1020023013259 is 9523103200201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020023013259 - 2¹⁵ = 1020022980491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020023014259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011506629 + 510011506630.

It is an arithmetic number, because the mean of its divisors is an integer number (510011506630).

Almost surely, 2^{1020023013259} is an apocalyptic number.

1020023013259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020023013259 is an equidigital number, since it uses as much as digits as its factorization.

1020023013259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 1020023013259 in words is "one trillion, twenty billion, twenty-three million, thirteen thousand, two hundred fifty-nine".