2421044123 has 4 divisors (see below), whose sum is σ = 2455143408. Its totient is φ = 2386944840.

The previous prime is 2421044099. The next prime is 2421044141. The reversal of 2421044123 is 3214401242.

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 2421044123 - 2²⁰ = 2419995547 is a prime.

It is a super-2 number, since 2×2421044123² = 11722909291025678258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421044183) 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, 17049536 + ... + 17049677.

It is an arithmetic number, because the mean of its divisors is an integer number (613785852).

Almost surely, 2^2421044123 is an apocalyptic number.

2421044123 is a deficient number, since it is larger than the sum of its proper divisors (34099285).

2421044123 is an equidigital number, since it uses as much as digits as its factorization.

2421044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34099284.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2421044123 is about 49204.1067696590. The cubic root of 2421044123 is about 1342.7677483599.

Adding to 2421044123 its reverse (3214401242), we get a palindrome (5635445365).

The spelling of 2421044123 in words is "two billion, four hundred twenty-one million, forty-four thousand, one hundred twenty-three".