2324320421 has 4 divisors (see below), whose sum is σ = 2327636844. Its totient is φ = 2321004000.

The previous prime is 2324320379. The next prime is 2324320429. The reversal of 2324320421 is 1240234232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1807440196 + 516880225 = 42514^2 + 22735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2324320421 - 2⁶ = 2324320357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2324320429) 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, 1657160 + ... + 1658561.

It is an arithmetic number, because the mean of its divisors is an integer number (581909211).

Almost surely, 2^2324320421 is an apocalyptic number.

It is an amenable number.

2324320421 is a deficient number, since it is larger than the sum of its proper divisors (3316423).

2324320421 is an equidigital number, since it uses as much as digits as its factorization.

2324320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316422.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2324320421 is about 48211.2063839933. The cubic root of 2324320421 is about 1324.6424422170.

Adding to 2324320421 its reverse (1240234232), we get a palindrome (3564554653).

The spelling of 2324320421 in words is "two billion, three hundred twenty-four million, three hundred twenty thousand, four hundred twenty-one".