2120210143423 has 4 divisors (see below), whose sum is σ = 2121306994888. Its totient is φ = 2119113291960.

The previous prime is 2120210143351. The next prime is 2120210143433. The reversal of 2120210143423 is 3243410120212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120210143423 - 2²⁹ = 2119673272511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210143433) 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, 548422833 + ... + 548426698.

It is an arithmetic number, because the mean of its divisors is an integer number (530326748722).

Almost surely, 2^{2120210143423} is an apocalyptic number.

2120210143423 is a deficient number, since it is larger than the sum of its proper divisors (1096851465).

2120210143423 is a wasteful number, since it uses less digits than its factorization.

2120210143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096851464.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2120210143423 its reverse (3243410120212), we get a palindrome (5363620263635).

The spelling of 2120210143423 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred forty-three thousand, four hundred twenty-three".