23258189 has 2 divisors, whose sum is σ = 23258190. Its totient is φ = 23258188.

The previous prime is 23258173. The next prime is 23258197. The reversal of 23258189 is 98185232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14760964 + 8497225 = 3842^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 23258189 - 2⁴ = 23258173 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 (23258119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629094 + 11629095.

It is an arithmetic number, because the mean of its divisors is an integer number (11629095).

Almost surely, 2^23258189 is an apocalyptic number.

It is an amenable number.

23258189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23258189 is an equidigital number, since it uses as much as digits as its factorization.

23258189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 23258189 is about 4822.6744654807. The cubic root of 23258189 is about 285.4468786981.

The spelling of 23258189 in words is "twenty-three million, two hundred fifty-eight thousand, one hundred eighty-nine".