9989003023 has 2 divisors, whose sum is σ = 9989003024. Its totient is φ = 9989003022.

The previous prime is 9989002957. The next prime is 9989003051. The reversal of 9989003023 is 3203009899.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9989003023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9989003053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994501511 + 4994501512.

It is an arithmetic number, because the mean of its divisors is an integer number (4994501512).

Almost surely, 2^9989003023 is an apocalyptic number.

9989003023 is a deficient number, since it is larger than the sum of its proper divisors (1).

9989003023 is an equidigital number, since it uses as much as digits as its factorization.

9989003023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 9989003023 is about 99944.9999899945. Note that the first 4 decimals coincide. The cubic root of 9989003023 is about 2153.6446580712.

The spelling of 9989003023 in words is "nine billion, nine hundred eighty-nine million, three thousand, twenty-three".