28000323 has 20 divisors (see below), whose sum is σ = 45046848. Its totient is φ = 17230320.

The previous prime is 28000321. The next prime is 28000337. The reversal of 28000323 is 32300082.

It is not a de Polignac number, because 28000323 - 2¹ = 28000321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28000296 and 28000305.

It is not an unprimeable number, because it can be changed into a prime (28000321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12243 + ... + 14348.

Almost surely, 2^28000323 is an apocalyptic number.

28000323 is a deficient number, since it is larger than the sum of its proper divisors (17046525).

28000323 is a wasteful number, since it uses less digits than its factorization.

28000323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26616 (or 26607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 28000323 is about 5291.5331426724. The cubic root of 28000323 is about 303.6600648238.

The spelling of 28000323 in words is "twenty-eight million, three hundred twenty-three", and thus it is an aban number.