423334001 has 4 divisors (see below), whose sum is σ = 423420132. Its totient is φ = 423247872.

The previous prime is 423333997. The next prime is 423334007. The reversal of 423334001 is 100433324.

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 396965776 + 26368225 = 19924^2 + 5135^2 .

It is a cyclic number.

It is not a de Polignac number, because 423334001 - 2² = 423333997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423334007) 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, 35216 + ... + 45681.

It is an arithmetic number, because the mean of its divisors is an integer number (105855033).

Almost surely, 2^423334001 is an apocalyptic number.

It is an amenable number.

423334001 is a deficient number, since it is larger than the sum of its proper divisors (86131).

423334001 is an equidigital number, since it uses as much as digits as its factorization.

423334001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86130.

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

The square root of 423334001 is about 20575.0820411487. The cubic root of 423334001 is about 750.8635984006.

Adding to 423334001 its reverse (100433324), we get a palindrome (523767325).

The spelling of 423334001 in words is "four hundred twenty-three million, three hundred thirty-four thousand, one".