423161325331 has 4 divisors (see below), whose sum is σ = 437753095200. Its totient is φ = 408569555464.

The previous prime is 423161325299. The next prime is 423161325347. The reversal of 423161325331 is 133523161324.

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

It is a cyclic number.

It is not a de Polignac number, because 423161325331 - 2⁵ = 423161325299 is a prime.

It is a super-3 number, since 3×423161325331³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423161325361) 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 3 ways as a sum of consecutive naturals, for example, 7295884891 + ... + 7295884948.

It is an arithmetic number, because the mean of its divisors is an integer number (109438273800).

Almost surely, 2^423161325331 is an apocalyptic number.

423161325331 is a deficient number, since it is larger than the sum of its proper divisors (14591769869).

423161325331 is a wasteful number, since it uses less digits than its factorization.

423161325331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14591769868.

The product of its digits is 38880, while the sum is 34.

Adding to 423161325331 its reverse (133523161324), we get a palindrome (556684486655).

The spelling of 423161325331 in words is "four hundred twenty-three billion, one hundred sixty-one million, three hundred twenty-five thousand, three hundred thirty-one".