423132131 has 2 divisors, whose sum is σ = 423132132. Its totient is φ = 423132130.

The previous prime is 423132107. The next prime is 423132133. The reversal of 423132131 is 131231324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423132131 is a prime.

It is a super-2 number, since 2×423132131² = 358081600569202322, which contains 22 as substring.

Together with 423132133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423132133) 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 as a sum of consecutive naturals, namely, 211566065 + 211566066.

It is an arithmetic number, because the mean of its divisors is an integer number (211566066).

Almost surely, 2^423132131 is an apocalyptic number.

423132131 is a deficient number, since it is larger than the sum of its proper divisors (1).

423132131 is an equidigital number, since it uses as much as digits as its factorization.

423132131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 423132131 is about 20570.1757649272. The cubic root of 423132131 is about 750.7442277743.

Adding to 423132131 its reverse (131231324), we get a palindrome (554363455).

It can be divided in two parts, 42313 and 2131, that added together give a palindrome (44444).

The spelling of 423132131 in words is "four hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".