43243123430 has 24 divisors (see below), whose sum is σ = 84285712512. Its totient is φ = 15966691104.

The previous prime is 43243123409. The next prime is 43243123447. The reversal of 43243123430 is 3432134234.

It is a junction number, because it is equal to n+sod(n) for n = 43243123393 and 43243123402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12792134 + ... + 12795513.

It is an arithmetic number, because the mean of its divisors is an integer number (3511904688).

Almost surely, 2^43243123430 is an apocalyptic number.

43243123430 is a deficient number, since it is larger than the sum of its proper divisors (41042589082).

43243123430 is a wasteful number, since it uses less digits than its factorization.

43243123430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25587680 (or 25587667 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 43243123430 its reverse (3432134234), we get a palindrome (46675257664).

The spelling of 43243123430 in words is "forty-three billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred thirty".