423323201 has 6 divisors (see below), whose sum is σ = 492437250. Its totient is φ = 362848416.

The previous prime is 423323189. The next prime is 423323207. The reversal of 423323201 is 102323324.

It can be written as a sum of positive squares in only one way, i.e., 351937600 + 71385601 = 18760^2 + 8449^2 .

It is a de Polignac number, because none of the positive numbers 2^k-423323201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423323207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4319576 + ... + 4319673.

It is an arithmetic number, because the mean of its divisors is an integer number (82072875).

Almost surely, 2^423323201 is an apocalyptic number.

It is an amenable number.

423323201 is a deficient number, since it is larger than the sum of its proper divisors (69114049).

423323201 is an equidigital number, since it uses as much as digits as its factorization.

423323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639263 (or 8639256 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 423323201 is about 20574.8195860863. The cubic root of 423323201 is about 750.8572130596.

Adding to 423323201 its reverse (102323324), we get a palindrome (525646525).

The spelling of 423323201 in words is "four hundred twenty-three million, three hundred twenty-three thousand, two hundred one".