23421442333 has 2 divisors, whose sum is σ = 23421442334. Its totient is φ = 23421442332.

The previous prime is 23421442279. The next prime is 23421442349. The reversal of 23421442333 is 33324412432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19532298564 + 3889143769 = 139758^2 + 62363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23421442333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23421442295 and 23421442304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23421440333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710721166 + 11710721167.

It is an arithmetic number, because the mean of its divisors is an integer number (11710721167).

Almost surely, 2^23421442333 is an apocalyptic number.

It is an amenable number.

23421442333 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421442333 is an equidigital number, since it uses as much as digits as its factorization.

23421442333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

Adding to 23421442333 its reverse (33324412432), we get a palindrome (56745854765).

The spelling of 23421442333 in words is "twenty-three billion, four hundred twenty-one million, four hundred forty-two thousand, three hundred thirty-three".