23044447 has 2 divisors, whose sum is σ = 23044448. Its totient is φ = 23044446.

The previous prime is 23044409. The next prime is 23044457. The reversal of 23044447 is 74444032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23044447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23044457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522223 + 11522224.

It is an arithmetic number, because the mean of its divisors is an integer number (11522224).

Almost surely, 2^23044447 is an apocalyptic number.

23044447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044447 is an equidigital number, since it uses as much as digits as its factorization.

23044447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 23044447 is about 4800.4632068166. The cubic root of 23044447 is about 284.5697704784.

Adding to 23044447 its reverse (74444032), we get a palindrome (97488479).

The spelling of 23044447 in words is "twenty-three million, forty-four thousand, four hundred forty-seven".