423323131 has 32 divisors (see below), whose sum is σ = 540131328. Its totient is φ = 322237440.

The previous prime is 423323129. The next prime is 423323141. The reversal of 423323131 is 131323324.

It is not a de Polignac number, because 423323131 - 2¹ = 423323129 is a prime.

It is a super-2 number, since 2×423323131² = 358404946479286322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423323101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713571 + ... + 714163.

It is an arithmetic number, because the mean of its divisors is an integer number (16879104).

Almost surely, 2^423323131 is an apocalyptic number.

423323131 is a deficient number, since it is larger than the sum of its proper divisors (116808197).

423323131 is a wasteful number, since it uses less digits than its factorization.

423323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 1296, while the sum is 22.

The square root of 423323131 is about 20574.8178849777. The cubic root of 423323131 is about 750.8571716728.

Adding to 423323131 its reverse (131323324), we get a palindrome (554646455).

The spelling of 423323131 in words is "four hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".