1042421143233 has 4 divisors (see below), whose sum is σ = 1389894857648. Its totient is φ = 694947428820.

The previous prime is 1042421143229. The next prime is 1042421143241. The reversal of 1042421143233 is 3323411242401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1042421143233 - 2² = 1042421143229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042421143233.

It is not an unprimeable number, because it can be changed into a prime (1042421148233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173736857203 + ... + 173736857208.

It is an arithmetic number, because the mean of its divisors is an integer number (347473714412).

Almost surely, 2^{1042421143233} is an apocalyptic number.

It is an amenable number.

1042421143233 is a deficient number, since it is larger than the sum of its proper divisors (347473714415).

1042421143233 is an equidigital number, since it uses as much as digits as its factorization.

1042421143233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347473714414.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1042421143233 its reverse (3323411242401), we get a palindrome (4365832385634).

The spelling of 1042421143233 in words is "one trillion, forty-two billion, four hundred twenty-one million, one hundred forty-three thousand, two hundred thirty-three".