423124221343 has 4 divisors (see below), whose sum is σ = 448013881440. Its totient is φ = 398234561248.

The previous prime is 423124221277. The next prime is 423124221383. The reversal of 423124221343 is 343122421324.

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 423124221343 - 2³⁷ = 285685267871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423124221383) 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, 12444830023 + ... + 12444830056.

It is an arithmetic number, because the mean of its divisors is an integer number (112003470360).

Almost surely, 2^423124221343 is an apocalyptic number.

423124221343 is a deficient number, since it is larger than the sum of its proper divisors (24889660097).

423124221343 is a wasteful number, since it uses less digits than its factorization.

423124221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24889660096.

The product of its digits is 27648, while the sum is 31.

Adding to 423124221343 its reverse (343122421324), we get a palindrome (766246642667).

The spelling of 423124221343 in words is "four hundred twenty-three billion, one hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-three".