23276189 has 2 divisors, whose sum is σ = 23276190. Its totient is φ = 23276188.

The previous prime is 23276177. The next prime is 23276203. The reversal of 23276189 is 98167232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18619225 + 4656964 = 4315^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 23276189 - 2⁸ = 23275933 is a prime.

It is a Chen 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 (23276119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11638094 + 11638095.

It is an arithmetic number, because the mean of its divisors is an integer number (11638095).

Almost surely, 2^23276189 is an apocalyptic number.

It is an amenable number.

23276189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23276189 is an equidigital number, since it uses as much as digits as its factorization.

23276189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 23276189 is about 4824.5402889809. The cubic root of 23276189 is about 285.5204974840.

The spelling of 23276189 in words is "twenty-three million, two hundred seventy-six thousand, one hundred eighty-nine".