2143420552043 has 16 divisors (see below), whose sum is σ = 2231217192960. Its totient is φ = 2056839156000.

The previous prime is 2143420552027. The next prime is 2143420552099. The reversal of 2143420552043 is 3402550243412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2143420552043 - 2⁴ = 2143420552027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143420551994 and 2143420552012.

It is not an unprimeable number, because it can be changed into a prime (2143420552003) 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, 2196278 + ... + 3018356.

It is an arithmetic number, because the mean of its divisors is an integer number (139451074560).

Almost surely, 2^{2143420552043} is an apocalyptic number.

2143420552043 is a deficient number, since it is larger than the sum of its proper divisors (87796640917).

2143420552043 is a wasteful number, since it uses less digits than its factorization.

2143420552043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822818.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2143420552043 its reverse (3402550243412), we get a palindrome (5545970795455).

The spelling of 2143420552043 in words is "two trillion, one hundred forty-three billion, four hundred twenty million, five hundred fifty-two thousand, forty-three".