9028723 has 4 divisors (see below), whose sum is σ = 9849528. Its totient is φ = 8207920.

The previous prime is 9028699. The next prime is 9028741. The reversal of 9028723 is 3278209.

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

It is a cyclic number.

It is not a de Polignac number, because 9028723 - 2²¹ = 6931571 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9028763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410386 + ... + 410407.

It is an arithmetic number, because the mean of its divisors is an integer number (2462382).

Almost surely, 2^9028723 is an apocalyptic number.

9028723 is a deficient number, since it is larger than the sum of its proper divisors (820805).

9028723 is a wasteful number, since it uses less digits than its factorization.

9028723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820804.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 9028723 is about 3004.7833532553. The cubic root of 9028723 is about 208.2294297169.

The spelling of 9028723 in words is "nine million, twenty-eight thousand, seven hundred twenty-three".