43423453404 has 48 divisors (see below), whose sum is σ = 118504556800. Its totient is φ = 13712668848.

The previous prime is 43423453399. The next prime is 43423453417. The reversal of 43423453404 is 40435432434.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10578712 + ... + 10582815.

Almost surely, 2^43423453404 is an apocalyptic number.

It is an amenable number.

43423453404 is an abundant number, since it is smaller than the sum of its proper divisors (75081103396).

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

43423453404 is a wasteful number, since it uses less digits than its factorization.

43423453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161559 (or 21161551 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 43423453404 its reverse (40435432434), we get a palindrome (83858885838).

The spelling of 43423453404 in words is "forty-three billion, four hundred twenty-three million, four hundred fifty-three thousand, four hundred four".