43423408 has 60 divisors (see below), whose sum is σ = 99050952. Its totient is φ = 18385920.

The previous prime is 43423361. The next prime is 43423409. The reversal of 43423408 is 80432434.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (43423409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75763 + ... + 76333.

Almost surely, 2^43423408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43423408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49525476).

43423408 is an abundant number, since it is smaller than the sum of its proper divisors (55627544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43423408 is a wasteful number, since it uses less digits than its factorization.

43423408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 43423408 is about 6589.6439964538. The cubic root of 43423408 is about 351.4859490399.

It can be divided in two parts, 4342 and 3408, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 43423408 in words is "forty-three million, four hundred twenty-three thousand, four hundred eight".