23004445 has 4 divisors (see below), whose sum is σ = 27605340. Its totient is φ = 18403552.

The previous prime is 23004433. The next prime is 23004463. The reversal of 23004445 is 54440032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15665764 + 7338681 = 3958^2 + 2709^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004445 - 2²³ = 14615837 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2300440 + ... + 2300449.

It is an arithmetic number, because the mean of its divisors is an integer number (6901335).

Almost surely, 2^23004445 is an apocalyptic number.

It is an amenable number.

23004445 is a deficient number, since it is larger than the sum of its proper divisors (4600895).

23004445 is an equidigital number, since it uses as much as digits as its factorization.

23004445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600894.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 23004445 is about 4796.2949242097. The cubic root of 23004445 is about 284.4050170786.

Adding to 23004445 its reverse (54440032), we get a palindrome (77444477).

The spelling of 23004445 in words is "twenty-three million, four thousand, four hundred forty-five".