9001423 has 4 divisors (see below), whose sum is σ = 9090648. Its totient is φ = 8912200.

The previous prime is 9001417. The next prime is 9001429. The reversal of 9001423 is 3241009.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9001417) and next prime (9001429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9001423 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9001429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44461 + ... + 44662.

It is an arithmetic number, because the mean of its divisors is an integer number (2272662).

Almost surely, 2^9001423 is an apocalyptic number.

9001423 is a deficient number, since it is larger than the sum of its proper divisors (89225).

9001423 is a wasteful number, since it uses less digits than its factorization.

9001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89224.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 9001423 is about 3000.2371572927. The cubic root of 9001423 is about 208.0193445396.

The spelling of 9001423 in words is "nine million, one thousand, four hundred twenty-three".