8433423 has 8 divisors (see below), whose sum is σ = 12494000. Its totient is φ = 5622264.

The previous prime is 8433409. The next prime is 8433443. The reversal of 8433423 is 3243348.

It is not a de Polignac number, because 8433423 - 2⁴ = 8433407 is a prime.

It is a super-2 number, since 2×8433423² = 142245246993858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 312349 = 8433423 / (8 + 4 + 3 + 3 + 4 + 2 + 3).

It is a d-powerful number, because it can be written as 8⁷ + 4⁷ + 3⁷ + 3⁸ + 4¹¹ + 2²¹ + 3⁹ .

It is a Duffinian number.

8433423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8433443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156148 + ... + 156201.

It is an arithmetic number, because the mean of its divisors is an integer number (1561750).

Almost surely, 2^8433423 is an apocalyptic number.

8433423 is a deficient number, since it is larger than the sum of its proper divisors (4060577).

8433423 is a wasteful number, since it uses less digits than its factorization.

8433423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312358 (or 312352 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 8433423 is about 2904.0356402772. The cubic root of 8433423 is about 203.5485257970.

The spelling of 8433423 in words is "eight million, four hundred thirty-three thousand, four hundred twenty-three".