9009000023 has 2 divisors, whose sum is σ = 9009000024. Its totient is φ = 9009000022.

The previous prime is 9009000001. The next prime is 9009000037. The reversal of 9009000023 is 3200009009.

It is a strong prime.

It is an emirp because it is prime and its reverse (3200009009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9009000023 - 2¹⁴ = 9008983639 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 (9009000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504500011 + 4504500012.

It is an arithmetic number, because the mean of its divisors is an integer number (4504500012).

Almost surely, 2^9009000023 is an apocalyptic number.

9009000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

9009000023 is an equidigital number, since it uses as much as digits as its factorization.

9009000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 9009000023 is about 94915.7522384983. The cubic root of 9009000023 is about 2080.7769551049.

The spelling of 9009000023 in words is "nine billion, nine million, twenty-three", and thus it is an aban number and an uban number.