28242343 has 2 divisors, whose sum is σ = 28242344. Its totient is φ = 28242342.

The previous prime is 28242337. The next prime is 28242349. The reversal of 28242343 is 34324282.

It is a balanced prime because it is at equal distance from previous prime (28242337) and next prime (28242349).

It is a cyclic number.

It is not a de Polignac number, because 28242343 - 2⁵ = 28242311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28242349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121171 + 14121172.

It is an arithmetic number, because the mean of its divisors is an integer number (14121172).

Almost surely, 2^28242343 is an apocalyptic number.

28242343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28242343 is an equidigital number, since it uses as much as digits as its factorization.

28242343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 28.

The square root of 28242343 is about 5314.3525475828. The cubic root of 28242343 is about 304.5324485505.

The spelling of 28242343 in words is "twenty-eight million, two hundred forty-two thousand, three hundred forty-three".