423112322243 has 4 divisors (see below), whose sum is σ = 455659423968. Its totient is φ = 390565220520.

The previous prime is 423112322219. The next prime is 423112322249. The reversal of 423112322243 is 342223211324.

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 423112322243 - 2³⁰ = 422038580419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423112322249) 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, 16273550843 + ... + 16273550868.

It is an arithmetic number, because the mean of its divisors is an integer number (113914855992).

Almost surely, 2^423112322243 is an apocalyptic number.

423112322243 is a deficient number, since it is larger than the sum of its proper divisors (32547101725).

423112322243 is a wasteful number, since it uses less digits than its factorization.

423112322243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32547101724.

The product of its digits is 13824, while the sum is 29.

Adding to 423112322243 its reverse (342223211324), we get a palindrome (765335533567).

The spelling of 423112322243 in words is "four hundred twenty-three billion, one hundred twelve million, three hundred twenty-two thousand, two hundred forty-three".