2162123445343 has 16 divisors (see below), whose sum is σ = 2292807453984. Its totient is φ = 2031829954560.

The previous prime is 2162123445323. The next prime is 2162123445367. The reversal of 2162123445343 is 3435443212612.

It is a cyclic number.

It is not a de Polignac number, because 2162123445343 - 2²⁹ = 2161586574431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2162123445296 and 2162123445305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162123445323) 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, 47229421 + ... + 47275177.

It is an arithmetic number, because the mean of its divisors is an integer number (143300465874).

Almost surely, 2^{2162123445343} is an apocalyptic number.

2162123445343 is a deficient number, since it is larger than the sum of its proper divisors (130684008641).

2162123445343 is a wasteful number, since it uses less digits than its factorization.

2162123445343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49962.

The product of its digits is 414720, while the sum is 40.

Adding to 2162123445343 its reverse (3435443212612), we get a palindrome (5597566657955).

The spelling of 2162123445343 in words is "two trillion, one hundred sixty-two billion, one hundred twenty-three million, four hundred forty-five thousand, three hundred forty-three".