23224433 has 2 divisors, whose sum is σ = 23224434. Its totient is φ = 23224432.

The previous prime is 23224393. The next prime is 23224451. The reversal of 23224433 is 33442232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21603904 + 1620529 = 4648^2 + 1273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23224433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23224399 and 23224408.

It is not a weakly prime, because it can be changed into another prime (23224463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612216 + 11612217.

It is an arithmetic number, because the mean of its divisors is an integer number (11612217).

Almost surely, 2^23224433 is an apocalyptic number.

It is an amenable number.

23224433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23224433 is an equidigital number, since it uses as much as digits as its factorization.

23224433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 23.

The square root of 23224433 is about 4819.1734768526. The cubic root of 23224433 is about 285.3087164628.

Adding to 23224433 its reverse (33442232), we get a palindrome (56666665).

The spelling of 23224433 in words is "twenty-three million, two hundred twenty-four thousand, four hundred thirty-three".