23099449 has 2 divisors, whose sum is σ = 23099450. Its totient is φ = 23099448.

The previous prime is 23099431. The next prime is 23099477. The reversal of 23099449 is 94499032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 4020025 = 4368^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 23099449 - 2¹¹ = 23097401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23099749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11549724 + 11549725.

It is an arithmetic number, because the mean of its divisors is an integer number (11549725).

Almost surely, 2^23099449 is an apocalyptic number.

It is an amenable number.

23099449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23099449 is an equidigital number, since it uses as much as digits as its factorization.

23099449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 23099449 is about 4806.1886146925. The cubic root of 23099449 is about 284.7959923017.

The spelling of 23099449 in words is "twenty-three million, ninety-nine thousand, four hundred forty-nine".