2421343123 has 2 divisors, whose sum is σ = 2421343124. Its totient is φ = 2421343122.

The previous prime is 2421343117. The next prime is 2421343129. The reversal of 2421343123 is 3213431242.

It is a balanced prime because it is at equal distance from previous prime (2421343117) and next prime (2421343129).

It is a cyclic number.

It is not a de Polignac number, because 2421343123 - 2²⁹ = 1884472211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421343129) 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 as a sum of consecutive naturals, namely, 1210671561 + 1210671562.

It is an arithmetic number, because the mean of its divisors is an integer number (1210671562).

Almost surely, 2^2421343123 is an apocalyptic number.

2421343123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421343123 is an equidigital number, since it uses as much as digits as its factorization.

2421343123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 2421343123 is about 49207.1450401260. The cubic root of 2421343123 is about 1342.8230235511.

Adding to 2421343123 its reverse (3213431242), we get a palindrome (5634774365).

The spelling of 2421343123 in words is "two billion, four hundred twenty-one million, three hundred forty-three thousand, one hundred twenty-three".