2142100343323 has 4 divisors (see below), whose sum is σ = 2142103276408. Its totient is φ = 2142097410240.

The previous prime is 2142100343309. The next prime is 2142100343363. The reversal of 2142100343323 is 3233430012412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142100343323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142100343291 and 2142100343300.

It is not an unprimeable number, because it can be changed into a prime (2142100343363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593803 + ... + 2153323.

It is an arithmetic number, because the mean of its divisors is an integer number (535525819102).

Almost surely, 2^{2142100343323} is an apocalyptic number.

2142100343323 is a deficient number, since it is larger than the sum of its proper divisors (2933085).

2142100343323 is a wasteful number, since it uses less digits than its factorization.

2142100343323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933084.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2142100343323 its reverse (3233430012412), we get a palindrome (5375530355735).

The spelling of 2142100343323 in words is "two trillion, one hundred forty-two billion, one hundred million, three hundred forty-three thousand, three hundred twenty-three".