43323423400 has 48 divisors (see below), whose sum is σ = 101651111100. Its totient is φ = 17170375680.

The previous prime is 43323423391. The next prime is 43323423421. The reversal of 43323423400 is 432432334.

It can be written as a sum of positive squares in 6 ways, for example, as 22089687876 + 21233735524 = 148626^2 + 145718^2 .

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 11 ways as a sum of consecutive naturals, for example, 971857 + ... + 1015456.

Almost surely, 2^43323423400 is an apocalyptic number.

43323423400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43323423400 is an abundant number, since it is smaller than the sum of its proper divisors (58327687700).

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

43323423400 is a wasteful number, since it uses less digits than its factorization.

43323423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987438 (or 1987429 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 43323423400 its reverse (432432334), we get a palindrome (43755855734).

The spelling of 43323423400 in words is "forty-three billion, three hundred twenty-three million, four hundred twenty-three thousand, four hundred".