1009331023 has 2 divisors, whose sum is σ = 1009331024. Its totient is φ = 1009331022.

The previous prime is 1009331017. The next prime is 1009331033. The reversal of 1009331023 is 3201339001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009331023 is a prime.

It is a super-2 number, since 2×1009331023² = 2037498227980453058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1009330985 and 1009331003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009331033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504665511 + 504665512.

It is an arithmetic number, because the mean of its divisors is an integer number (504665512).

Almost surely, 2^1009331023 is an apocalyptic number.

1009331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009331023 is an equidigital number, since it uses as much as digits as its factorization.

1009331023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1009331023 is about 31769.9704595393. The cubic root of 1009331023 is about 1003.1007166192.

The spelling of 1009331023 in words is "one billion, nine million, three hundred thirty-one thousand, twenty-three".