2104201123 has 4 divisors (see below), whose sum is σ = 2105434080. Its totient is φ = 2102968168.

The previous prime is 2104201091. The next prime is 2104201133. The reversal of 2104201123 is 3211024012.

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 2104201123 - 2⁵ = 2104201091 is a prime.

It is a super-2 number, since 2×2104201123² = 8855324732068922258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104201097 and 2104201106.

It is not an unprimeable number, because it can be changed into a prime (2104201133) 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, 613915 + ... + 617332.

It is an arithmetic number, because the mean of its divisors is an integer number (526358520).

Almost surely, 2^2104201123 is an apocalyptic number.

2104201123 is a deficient number, since it is larger than the sum of its proper divisors (1232957).

2104201123 is a wasteful number, since it uses less digits than its factorization.

2104201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232956.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2104201123 is about 45871.5720572121. The cubic root of 2104201123 is about 1281.4325438805.

Adding to 2104201123 its reverse (3211024012), we get a palindrome (5315225135).

The spelling of 2104201123 in words is "two billion, one hundred four million, two hundred one thousand, one hundred twenty-three".