23032189 has 2 divisors, whose sum is σ = 23032190. Its totient is φ = 23032188.

The previous prime is 23032171. The next prime is 23032211. The reversal of 23032189 is 98123032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 5139289 = 4230^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032189 - 2⁹ = 23031677 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516094 + 11516095.

It is an arithmetic number, because the mean of its divisors is an integer number (11516095).

Almost surely, 2^23032189 is an apocalyptic number.

It is an amenable number.

23032189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032189 is an equidigital number, since it uses as much as digits as its factorization.

23032189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23032189 is about 4799.1862851946. The cubic root of 23032189 is about 284.5193045978.

The spelling of 23032189 in words is "twenty-three million, thirty-two thousand, one hundred eighty-nine".