423223444331 has 8 divisors (see below), whose sum is σ = 428706769920. Its totient is φ = 417743270568.

The previous prime is 423223444321. The next prime is 423223444333. The reversal of 423223444331 is 133444322324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423223444331 - 2³⁸ = 148345537387 is a prime.

It is a super-2 number, since 2×423223444331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423223444291 and 423223444300.

It is not an unprimeable number, because it can be changed into a prime (423223444333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517061 + ... + 1055366.

It is an arithmetic number, because the mean of its divisors is an integer number (53588346240).

Almost surely, 2^423223444331 is an apocalyptic number.

423223444331 is a deficient number, since it is larger than the sum of its proper divisors (5483325589).

423223444331 is a wasteful number, since it uses less digits than its factorization.

423223444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575913.

The product of its digits is 165888, while the sum is 35.

Adding to 423223444331 its reverse (133444322324), we get a palindrome (556667766655).

The spelling of 423223444331 in words is "four hundred twenty-three billion, two hundred twenty-three million, four hundred forty-four thousand, three hundred thirty-one".