423343302131 has 4 divisors (see below), whose sum is σ = 423350343000. Its totient is φ = 423336261264.

The previous prime is 423343302127. The next prime is 423343302157. The reversal of 423343302131 is 131203343324.

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 423343302131 - 2² = 423343302127 is a prime.

It is a super-2 number, since 2×423343302131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423343302094 and 423343302103.

It is not an unprimeable number, because it can be changed into a prime (423343302181) 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 3 ways as a sum of consecutive naturals, for example, 3429461 + ... + 3550758.

It is an arithmetic number, because the mean of its divisors is an integer number (105837585750).

Almost surely, 2^423343302131 is an apocalyptic number.

423343302131 is a deficient number, since it is larger than the sum of its proper divisors (7040869).

423343302131 is an equidigital number, since it uses as much as digits as its factorization.

423343302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040868.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 423343302131 its reverse (131203343324), we get a palindrome (554546645455).

The spelling of 423343302131 in words is "four hundred twenty-three billion, three hundred forty-three million, three hundred two thousand, one hundred thirty-one".