2421423201 has 4 divisors (see below), whose sum is σ = 3228564272. Its totient is φ = 1614282132.

The previous prime is 2421423197. The next prime is 2421423217. The reversal of 2421423201 is 1023241242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2421423201 - 2² = 2421423197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421423241) 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, 403570531 + ... + 403570536.

It is an arithmetic number, because the mean of its divisors is an integer number (807141068).

Almost surely, 2^2421423201 is an apocalyptic number.

It is an amenable number.

2421423201 is a deficient number, since it is larger than the sum of its proper divisors (807141071).

2421423201 is an equidigital number, since it uses as much as digits as its factorization.

2421423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807141070.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2421423201 is about 49207.9587160451. The cubic root of 2421423201 is about 1342.8378265469.

Adding to 2421423201 its reverse (1023241242), we get a palindrome (3444664443).

The spelling of 2421423201 in words is "two billion, four hundred twenty-one million, four hundred twenty-three thousand, two hundred one".