1443420032143 has 4 divisors (see below), whose sum is σ = 1443652211440. Its totient is φ = 1443187852848.

The previous prime is 1443420032107. The next prime is 1443420032167. The reversal of 1443420032143 is 3412300243441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1443420032143 - 2¹³ = 1443420023951 is a prime.

It is a super-2 number, since 2×1443420032143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443420032183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116080323 + ... + 116092756.

It is an arithmetic number, because the mean of its divisors is an integer number (360913052860).

Almost surely, 2^{1443420032143} is an apocalyptic number.

1443420032143 is a deficient number, since it is larger than the sum of its proper divisors (232179297).

1443420032143 is an equidigital number, since it uses as much as digits as its factorization.

1443420032143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232179296.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1443420032143 its reverse (3412300243441), we get a palindrome (4855720275584).

The spelling of 1443420032143 in words is "one trillion, four hundred forty-three billion, four hundred twenty million, thirty-two thousand, one hundred forty-three".