23020843 has 2 divisors, whose sum is σ = 23020844. Its totient is φ = 23020842.

The previous prime is 23020831. The next prime is 23020849. The reversal of 23020843 is 34802032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23020843 - 2¹⁷ = 22889771 is a prime.

It is not a weakly prime, because it can be changed into another prime (23020849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510421 + 11510422.

It is an arithmetic number, because the mean of its divisors is an integer number (11510422).

Almost surely, 2^23020843 is an apocalyptic number.

23020843 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020843 is an equidigital number, since it uses as much as digits as its factorization.

23020843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23020843 is about 4798.0040641917. The cubic root of 23020843 is about 284.4725774391.

Adding to 23020843 its reverse (34802032), we get a palindrome (57822875).

The spelling of 23020843 in words is "twenty-three million, twenty thousand, eight hundred forty-three".