12353223444 has 24 divisors (see below), whose sum is σ = 28837310208. Its totient is φ = 4115866560.

The previous prime is 12353223439. The next prime is 12353223469. The reversal of 12353223444 is 44432235321.

It is a super-2 number, since 2×12353223444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206737 + ... + 259704.

It is an arithmetic number, because the mean of its divisors is an integer number (1201554592).

Almost surely, 2^12353223444 is an apocalyptic number.

It is an amenable number.

12353223444 is an abundant number, since it is smaller than the sum of its proper divisors (16484086764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12353223444 is a wasteful number, since it uses less digits than its factorization.

12353223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468655 (or 468653 counting only the distinct ones).

The product of its digits is 69120, while the sum is 33.

Adding to 12353223444 its reverse (44432235321), we get a palindrome (56785458765).

The spelling of 12353223444 in words is "twelve billion, three hundred fifty-three million, two hundred twenty-three thousand, four hundred forty-four".