23019043 has 2 divisors, whose sum is σ = 23019044. Its totient is φ = 23019042.

The previous prime is 23019041. The next prime is 23019047. The reversal of 23019043 is 34091032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23019043 - 2¹ = 23019041 is a prime.

Together with 23019041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23019041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11509521 + 11509522.

It is an arithmetic number, because the mean of its divisors is an integer number (11509522).

Almost surely, 2^23019043 is an apocalyptic number.

23019043 is a deficient number, since it is larger than the sum of its proper divisors (1).

23019043 is an equidigital number, since it uses as much as digits as its factorization.

23019043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23019043 is about 4797.8164825262. The cubic root of 23019043 is about 284.4651629410.

The spelling of 23019043 in words is "twenty-three million, nineteen thousand, forty-three".