28423583 has 2 divisors, whose sum is σ = 28423584. Its totient is φ = 28423582.

The previous prime is 28423573. The next prime is 28423613. The reversal of 28423583 is 38532482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28423583 - 2⁸ = 28423327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28423513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14211791 + 14211792.

It is an arithmetic number, because the mean of its divisors is an integer number (14211792).

Almost surely, 2^28423583 is an apocalyptic number.

28423583 is a deficient number, since it is larger than the sum of its proper divisors (1).

28423583 is an equidigital number, since it uses as much as digits as its factorization.

28423583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

The square root of 28423583 is about 5331.3772141915. The cubic root of 28423583 is about 305.1824868694.

The spelling of 28423583 in words is "twenty-eight million, four hundred twenty-three thousand, five hundred eighty-three".