23213311444 has 12 divisors (see below), whose sum is σ = 40641357568. Its totient is φ = 11601495000.

The previous prime is 23213311403. The next prime is 23213311501. The reversal of 23213311444 is 44411331232.

It is a happy number.

It is a super-2 number, since 2×23213311444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1280052 + ... + 1298059.

Almost surely, 2^23213311444 is an apocalyptic number.

It is an amenable number.

23213311444 is a deficient number, since it is larger than the sum of its proper divisors (17428046124).

23213311444 is a wasteful number, since it uses less digits than its factorization.

23213311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580366 (or 2580364 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 23213311444 its reverse (44411331232), we get a palindrome (67624642676).

The spelling of 23213311444 in words is "twenty-three billion, two hundred thirteen million, three hundred eleven thousand, four hundred forty-four".