2421733123 has 4 divisors (see below), whose sum is σ = 2461433728. Its totient is φ = 2382032520.

The previous prime is 2421733099. The next prime is 2421733169. The reversal of 2421733123 is 3213371242.

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 2421733123 - 2⁵ = 2421733091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421733091 and 2421733100.

It is not an unprimeable number, because it can be changed into a prime (2421733723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19850211 + ... + 19850332.

It is an arithmetic number, because the mean of its divisors is an integer number (615358432).

Almost surely, 2^2421733123 is an apocalyptic number.

2421733123 is a deficient number, since it is larger than the sum of its proper divisors (39700605).

2421733123 is an equidigital number, since it uses as much as digits as its factorization.

2421733123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39700604.

The product of its digits is 6048, while the sum is 28.

The square root of 2421733123 is about 49211.1077197008. The cubic root of 2421733123 is about 1342.8951147883.

The spelling of 2421733123 in words is "two billion, four hundred twenty-one million, seven hundred thirty-three thousand, one hundred twenty-three".