423343312241 has 4 divisors (see below), whose sum is σ = 441749543232. Its totient is φ = 404937081252.

The previous prime is 423343312193. The next prime is 423343312261. The reversal of 423343312241 is 142213343324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423343312241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423343312198 and 423343312207.

It is not an unprimeable number, because it can be changed into a prime (423343312261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203115461 + ... + 9203115506.

It is an arithmetic number, because the mean of its divisors is an integer number (110437385808).

Almost surely, 2^423343312241 is an apocalyptic number.

It is an amenable number.

423343312241 is a deficient number, since it is larger than the sum of its proper divisors (18406230991).

423343312241 is a wasteful number, since it uses less digits than its factorization.

423343312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18406230990.

The product of its digits is 41472, while the sum is 32.

Adding to 423343312241 its reverse (142213343324), we get a palindrome (565556655565).

The spelling of 423343312241 in words is "four hundred twenty-three billion, three hundred forty-three million, three hundred twelve thousand, two hundred forty-one".