423403011131 has 2 divisors, whose sum is σ = 423403011132. Its totient is φ = 423403011130.

The previous prime is 423403011107. The next prime is 423403011167. The reversal of 423403011131 is 131110304324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423403011131 is a prime.

It is a super-2 number, since 2×423403011131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423403011097 and 423403011106.

It is not a weakly prime, because it can be changed into another prime (423403010131) 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 as a sum of consecutive naturals, namely, 211701505565 + 211701505566.

It is an arithmetic number, because the mean of its divisors is an integer number (211701505566).

Almost surely, 2^423403011131 is an apocalyptic number.

423403011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

423403011131 is an equidigital number, since it uses as much as digits as its factorization.

423403011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 423403011131 its reverse (131110304324), we get a palindrome (554513315455).

The spelling of 423403011131 in words is "four hundred twenty-three billion, four hundred three million, eleven thousand, one hundred thirty-one".