28838023 has 2 divisors, whose sum is σ = 28838024. Its totient is φ = 28838022.

The previous prime is 28838011. The next prime is 28838027. The reversal of 28838023 is 32083882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28838023 - 2¹³ = 28829831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28838023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28838027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14419011 + 14419012.

It is an arithmetic number, because the mean of its divisors is an integer number (14419012).

Almost surely, 2^28838023 is an apocalyptic number.

28838023 is a deficient number, since it is larger than the sum of its proper divisors (1).

28838023 is an equidigital number, since it uses as much as digits as its factorization.

28838023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 28838023 is about 5370.1045613656. The cubic root of 28838023 is about 306.6586089303.

The spelling of 28838023 in words is "twenty-eight million, eight hundred thirty-eight thousand, twenty-three".