23128843 has 2 divisors, whose sum is σ = 23128844. Its totient is φ = 23128842.

The previous prime is 23128837. The next prime is 23128849. The reversal of 23128843 is 34882132.

It is a balanced prime because it is at equal distance from previous prime (23128837) and next prime (23128849).

It is a cyclic number.

It is not a de Polignac number, because 23128843 - 2¹³ = 23120651 is a prime.

It is not a weakly prime, because it can be changed into another prime (23128849) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11564421 + 11564422.

It is an arithmetic number, because the mean of its divisors is an integer number (11564422).

Almost surely, 2^23128843 is an apocalyptic number.

23128843 is a deficient number, since it is larger than the sum of its proper divisors (1).

23128843 is an equidigital number, since it uses as much as digits as its factorization.

23128843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 23128843 is about 4809.2455749317. The cubic root of 23128843 is about 284.9167418643.

The spelling of 23128843 in words is "twenty-three million, one hundred twenty-eight thousand, eight hundred forty-three".