43423456 has 48 divisors (see below), whose sum is σ = 87998400. Its totient is φ = 21086208.

The previous prime is 43423453. The next prime is 43423553. The reversal of 43423456 is 65432434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43423451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224896 + ... + 225088.

It is an arithmetic number, because the mean of its divisors is an integer number (1833300).

Almost surely, 2^43423456 is an apocalyptic number.

It is an amenable number.

43423456 is an abundant number, since it is smaller than the sum of its proper divisors (44574944).

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

43423456 is a wasteful number, since it uses less digits than its factorization.

43423456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 363 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 43423456 is about 6589.6476385312. The cubic root of 43423456 is about 351.4860785501.

The spelling of 43423456 in words is "forty-three million, four hundred twenty-three thousand, four hundred fifty-six".