2421430423 has 2 divisors, whose sum is σ = 2421430424. Its totient is φ = 2421430422.

The previous prime is 2421430397. The next prime is 2421430447. The reversal of 2421430423 is 3240341242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421430423 - 2⁵ = 2421430391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421430523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210715211 + 1210715212.

It is an arithmetic number, because the mean of its divisors is an integer number (1210715212).

Almost surely, 2^2421430423 is an apocalyptic number.

2421430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421430423 is an equidigital number, since it uses as much as digits as its factorization.

2421430423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2421430423 is about 49208.0320984288. The cubic root of 2421430423 is about 1342.8391615697.

Adding to 2421430423 its reverse (3240341242), we get a palindrome (5661771665).

The spelling of 2421430423 in words is "two billion, four hundred twenty-one million, four hundred thirty thousand, four hundred twenty-three".