423321011 has 4 divisors (see below), whose sum is σ = 427204800. Its totient is φ = 419437224.

The previous prime is 423321001. The next prime is 423321037. The reversal of 423321011 is 110123324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423321011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423321001) 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, 1941731 + ... + 1941948.

It is an arithmetic number, because the mean of its divisors is an integer number (106801200).

Almost surely, 2^423321011 is an apocalyptic number.

423321011 is a deficient number, since it is larger than the sum of its proper divisors (3883789).

423321011 is a wasteful number, since it uses less digits than its factorization.

423321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883788.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 423321011 is about 20574.7663656237. The cubic root of 423321011 is about 750.8559182411.

Adding to 423321011 its reverse (110123324), we get a palindrome (533444335).

The spelling of 423321011 in words is "four hundred twenty-three million, three hundred twenty-one thousand, eleven".