423132231291 has 48 divisors (see below), whose sum is σ = 716038253568. Its totient is φ = 219781598400.

The previous prime is 423132231289. The next prime is 423132231293. The reversal of 423132231291 is 192132231324.

It is an interprime number because it is at equal distance from previous prime (423132231289) and next prime (423132231293).

It is not a de Polignac number, because 423132231291 - 2¹ = 423132231289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (423132231293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23325861 + ... + 23343993.

It is an arithmetic number, because the mean of its divisors is an integer number (14917463616).

Almost surely, 2^423132231291 is an apocalyptic number.

423132231291 is a deficient number, since it is larger than the sum of its proper divisors (292906022277).

423132231291 is a wasteful number, since it uses less digits than its factorization.

423132231291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32592 (or 32585 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

Adding to 423132231291 its sum of digits (33), we get a palindrome (423132231324).

The spelling of 423132231291 in words is "four hundred twenty-three billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred ninety-one".