424323401 has 2 divisors, whose sum is σ = 424323402. Its totient is φ = 424323400.

The previous prime is 424323397. The next prime is 424323461. The reversal of 424323401 is 104323424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316662025 + 107661376 = 17795^2 + 10376^2 .

It is a cyclic number.

It is not a de Polignac number, because 424323401 - 2² = 424323397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424323461) 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, 212161700 + 212161701.

It is an arithmetic number, because the mean of its divisors is an integer number (212161701).

Almost surely, 2^424323401 is an apocalyptic number.

It is an amenable number.

424323401 is a deficient number, since it is larger than the sum of its proper divisors (1).

424323401 is an equidigital number, since it uses as much as digits as its factorization.

424323401 is an odious number, because the sum of its binary digits is odd.

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

The square root of 424323401 is about 20599.1116556030. Note that the first 3 decimals coincide. The cubic root of 424323401 is about 751.4481064803.

Adding to 424323401 its sum of digits (23), we get a palindrome (424323424).

Adding to 424323401 its reverse (104323424), we get a palindrome (528646825).

The spelling of 424323401 in words is "four hundred twenty-four million, three hundred twenty-three thousand, four hundred one".