28611323 has 16 divisors (see below), whose sum is σ = 33516000. Its totient is φ = 24178176.

The previous prime is 28611311. The next prime is 28611353. The reversal of 28611323 is 32311682.

It is a cyclic number.

It is not a de Polignac number, because 28611323 - 2¹⁰ = 28610299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28611292 and 28611301.

It is not an unprimeable number, because it can be changed into a prime (28611353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6428 + ... + 9926.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 2^28611323 is an apocalyptic number.

28611323 is a deficient number, since it is larger than the sum of its proper divisors (4904677).

28611323 is a wasteful number, since it uses less digits than its factorization.

28611323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its digits is 1728, while the sum is 26.

The square root of 28611323 is about 5348.9553185646. The cubic root of 28611323 is about 305.8529310219.

The spelling of 28611323 in words is "twenty-eight million, six hundred eleven thousand, three hundred twenty-three".