2123441103 has 16 divisors (see below), whose sum is σ = 3347297280. Its totient is φ = 1171553376.

The previous prime is 2123441101. The next prime is 2123441123. The reversal of 2123441103 is 3011443212.

It is not a de Polignac number, because 2123441103 - 2¹ = 2123441101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2123441103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123441101) 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, 1742775 + ... + 1743992.

It is an arithmetic number, because the mean of its divisors is an integer number (209206080).

Almost surely, 2^2123441103 is an apocalyptic number.

2123441103 is a deficient number, since it is larger than the sum of its proper divisors (1223856177).

2123441103 is a wasteful number, since it uses less digits than its factorization.

2123441103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486806.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2123441103 is about 46080.8105722979. The cubic root of 2123441103 is about 1285.3263369970.

Adding to 2123441103 its reverse (3011443212), we get a palindrome (5134884315).

The spelling of 2123441103 in words is "two billion, one hundred twenty-three million, four hundred forty-one thousand, one hundred three".