2102043423 has 8 divisors (see below), whose sum is σ = 2824119936. Its totient is φ = 1390664600.

The previous prime is 2102043413. The next prime is 2102043431. The reversal of 2102043423 is 3243402012.

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 2102043423 - 2⁴ = 2102043407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102043423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102043413) 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, 2673963 + ... + 2674748.

It is an arithmetic number, because the mean of its divisors is an integer number (353014992).

Almost surely, 2^2102043423 is an apocalyptic number.

2102043423 is a deficient number, since it is larger than the sum of its proper divisors (722076513).

2102043423 is a wasteful number, since it uses less digits than its factorization.

2102043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348845.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2102043423 is about 45848.0471012670. The cubic root of 2102043423 is about 1280.9943898482.

Adding to 2102043423 its reverse (3243402012), we get a palindrome (5345445435).

The spelling of 2102043423 in words is "two billion, one hundred two million, forty-three thousand, four hundred twenty-three".