2143343243124 has 36 divisors (see below), whose sum is σ = 5417940546564. Its totient is φ = 714441796992.

The previous prime is 2143343243101. The next prime is 2143343243131. The reversal of 2143343243124 is 4213423433412.

2143343243124 is a `hidden beast` number, since 2 + 1 + 4 + 334 + 3 + 2 + 4 + 312 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 386610368400 + 1756732874724 = 621780^2 + 1325418^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7194294 + ... + 7486290.

Almost surely, 2^{2143343243124} is an apocalyptic number.

It is an amenable number.

2143343243124 is an abundant number, since it is smaller than the sum of its proper divisors (3274597303440).

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

2143343243124 is a wasteful number, since it uses less digits than its factorization.

2143343243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495904 (or 495899 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 2143343243124 its reverse (4213423433412), we get a palindrome (6356766676536).

The spelling of 2143343243124 in words is "two trillion, one hundred forty-three billion, three hundred forty-three million, two hundred forty-three thousand, one hundred twenty-four".