11312323444 has 6 divisors (see below), whose sum is σ = 19796566034. Its totient is φ = 5656161720.

The previous prime is 11312323439. The next prime is 11312323459. The reversal of 11312323444 is 44432321311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8732902500 + 2579420944 = 93450^2 + 50788^2 .

It is a super-2 number, since 2×11312323444² (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 as a sum of consecutive naturals, namely, 1414040427 + ... + 1414040434.

Almost surely, 2^11312323444 is an apocalyptic number.

It is an amenable number.

11312323444 is a deficient number, since it is larger than the sum of its proper divisors (8484242590).

11312323444 is a wasteful number, since it uses less digits than its factorization.

11312323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828080865 (or 2828080863 counting only the distinct ones).

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

Adding to 11312323444 its reverse (44432321311), we get a palindrome (55744644755).

The spelling of 11312323444 in words is "eleven billion, three hundred twelve million, three hundred twenty-three thousand, four hundred forty-four".