423321131 has 12 divisors (see below), whose sum is σ = 452100480. Its totient is φ = 396282240.

The previous prime is 423321109. The next prime is 423321133. The reversal of 423321131 is 131123324.

It is not a de Polignac number, because 423321131 - 2¹⁴ = 423304747 is a prime.

It is a super-2 number, since 2×423321131² = 358401559902238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423321133) 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 11 ways as a sum of consecutive naturals, for example, 51365 + ... + 59033.

It is an arithmetic number, because the mean of its divisors is an integer number (37675040).

Almost surely, 2^423321131 is an apocalyptic number.

423321131 is a deficient number, since it is larger than the sum of its proper divisors (28779349).

423321131 is a wasteful number, since it uses less digits than its factorization.

423321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894 (or 7877 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 423321131 is about 20574.7692818170. The cubic root of 423321131 is about 750.8559891902.

Adding to 423321131 its reverse (131123324), we get a palindrome (554444455).

The spelling of 423321131 in words is "four hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-one".