23843489 has 2 divisors, whose sum is σ = 23843490. Its totient is φ = 23843488.

The previous prime is 23843483. The next prime is 23843507. The reversal of 23843489 is 98434832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23203489 + 640000 = 4817^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 23843489 - 2²⁴ = 7066273 is a prime.

It is not a weakly prime, because it can be changed into another prime (23843483) 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, 11921744 + 11921745.

It is an arithmetic number, because the mean of its divisors is an integer number (11921745).

Almost surely, 2^23843489 is an apocalyptic number.

It is an amenable number.

23843489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23843489 is an equidigital number, since it uses as much as digits as its factorization.

23843489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 23843489 is about 4882.9795207435. The cubic root of 23843489 is about 287.8215240971.

The spelling of 23843489 in words is "twenty-three million, eight hundred forty-three thousand, four hundred eighty-nine".