2112303400043 has 8 divisors (see below), whose sum is σ = 2291106701520. Its totient is φ = 1939561227520.

The previous prime is 2112303400027. The next prime is 2112303400069. The reversal of 2112303400043 is 3400043032112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112303400043 - 2⁴ = 2112303400027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112303399991 and 2112303400018.

It is not an unprimeable number, because it can be changed into a prime (2112303400093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515281513 + ... + 1515282906.

It is an arithmetic number, because the mean of its divisors is an integer number (286388337690).

Almost surely, 2^{2112303400043} is an apocalyptic number.

2112303400043 is a deficient number, since it is larger than the sum of its proper divisors (178803301477).

2112303400043 is a wasteful number, since it uses less digits than its factorization.

2112303400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030564477.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2112303400043 its reverse (3400043032112), we get a palindrome (5512346432155).

The spelling of 2112303400043 in words is "two trillion, one hundred twelve billion, three hundred three million, four hundred thousand, forty-three".