423453843 has 6 divisors (see below), whose sum is σ = 611655564. Its totient is φ = 282302556.

The previous prime is 423453841. The next prime is 423453857. The reversal of 423453843 is 348354324.

It is not a de Polignac number, because 423453843 - 2¹ = 423453841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423453798 and 423453807.

It is not an unprimeable number, because it can be changed into a prime (423453841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23525205 + ... + 23525222.

It is an arithmetic number, because the mean of its divisors is an integer number (101942594).

Almost surely, 2^423453843 is an apocalyptic number.

423453843 is a deficient number, since it is larger than the sum of its proper divisors (188201721).

423453843 is a wasteful number, since it uses less digits than its factorization.

423453843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47050433 (or 47050430 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 423453843 is about 20577.9941442309. The cubic root of 423453843 is about 750.9344459309.

The spelling of 423453843 in words is "four hundred twenty-three million, four hundred fifty-three thousand, eight hundred forty-three".