1143221023004 has 24 divisors (see below), whose sum is σ = 2017981396368. Its totient is φ = 566672578560.

The previous prime is 1143221023001. The next prime is 1143221023097. The reversal of 1143221023004 is 4003201223411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143221023001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949477 + ... + 2467164.

It is an arithmetic number, because the mean of its divisors is an integer number (84082558182).

Almost surely, 2^{1143221023004} is an apocalyptic number.

It is an amenable number.

1143221023004 is a deficient number, since it is larger than the sum of its proper divisors (874760373364).

1143221023004 is a wasteful number, since it uses less digits than its factorization.

1143221023004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417205 (or 4417203 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1143221023004 its reverse (4003201223411), we get a palindrome (5146422246415).

The spelling of 1143221023004 in words is "one trillion, one hundred forty-three billion, two hundred twenty-one million, twenty-three thousand, four".