23412444421 has 16 divisors (see below), whose sum is σ = 24910441920. Its totient is φ = 21928032000.

The previous prime is 23412444403. The next prime is 23412444439. The reversal of 23412444421 is 12444421432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23412444403) and next prime (23412444439).

It is a cyclic number.

It is not a de Polignac number, because 23412444421 - 2¹¹ = 23412442373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23412444491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7632130 + ... + 7635196.

It is an arithmetic number, because the mean of its divisors is an integer number (1556902620).

Almost surely, 2^23412444421 is an apocalyptic number.

It is an amenable number.

23412444421 is a deficient number, since it is larger than the sum of its proper divisors (1497997499).

23412444421 is a wasteful number, since it uses less digits than its factorization.

23412444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its digits is 24576, while the sum is 31.

Adding to 23412444421 its reverse (12444421432), we get a palindrome (35856865853).

The spelling of 23412444421 in words is "twenty-three billion, four hundred twelve million, four hundred forty-four thousand, four hundred twenty-one".