1143421004322 has 32 divisors (see below), whose sum is σ = 2543120516160. Its totient is φ = 380812592160.

The previous prime is 1143421004311. The next prime is 1143421004329. The reversal of 1143421004322 is 2234001243411.

1143421004322 is a `hidden beast` number, since 1 + 14 + 3 + 4 + 210 + 0 + 432 + 2 = 666.

It is a super-2 number, since 2×1143421004322² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1143421004329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9040579 + ... + 9166182.

It is an arithmetic number, because the mean of its divisors is an integer number (79472516130).

Almost surely, 2^{1143421004322} is an apocalyptic number.

1143421004322 is an abundant number, since it is smaller than the sum of its proper divisors (1399699511838).

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

1143421004322 is a wasteful number, since it uses less digits than its factorization.

1143421004322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207935 (or 18207929 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1143421004322 its reverse (2234001243411), we get a palindrome (3377422247733).

The spelling of 1143421004322 in words is "one trillion, one hundred forty-three billion, four hundred twenty-one million, four thousand, three hundred twenty-two".