1143131323444 has 48 divisors (see below), whose sum is σ = 2229584797440. Its totient is φ = 508364812160.

The previous prime is 1143131323417. The next prime is 1143131323501. The reversal of 1143131323444 is 4443231313411.

It is a super-2 number, since 2×1143131323444² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 5668554 + ... + 5866750.

It is an arithmetic number, because the mean of its divisors is an integer number (46449683280).

Almost surely, 2^{1143131323444} is an apocalyptic number.

It is an amenable number.

1143131323444 is a deficient number, since it is larger than the sum of its proper divisors (1086453473996).

1143131323444 is a wasteful number, since it uses less digits than its factorization.

1143131323444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201048 (or 201046 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

Adding to 1143131323444 its reverse (4443231313411), we get a palindrome (5586362636855).

The spelling of 1143131323444 in words is "one trillion, one hundred forty-three billion, one hundred thirty-one million, three hundred twenty-three thousand, four hundred forty-four".