2421332123 has 8 divisors (see below), whose sum is σ = 2773486848. Its totient is φ = 2070739944.

The previous prime is 2421332087. The next prime is 2421332141. The reversal of 2421332123 is 3212331242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2421332123 - 2⁸ = 2421331867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421392123) 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 7 ways as a sum of consecutive naturals, for example, 387311 + ... + 393512.

It is an arithmetic number, because the mean of its divisors is an integer number (346685856).

Almost surely, 2^2421332123 is an apocalyptic number.

2421332123 is a deficient number, since it is larger than the sum of its proper divisors (352154725).

2421332123 is an equidigital number, since it uses as much as digits as its factorization.

2421332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781273.

The product of its digits is 1728, while the sum is 23.

The square root of 2421332123 is about 49207.0332676133. The cubic root of 2421332123 is about 1342.8209900962.

Adding to 2421332123 its reverse (3212331242), we get a palindrome (5633663365).

The spelling of 2421332123 in words is "two billion, four hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-three".