43123331130 has 64 divisors (see below), whose sum is σ = 113557500288. Its totient is φ = 10393698560.

The previous prime is 43123331123. The next prime is 43123331149. The reversal of 43123331130 is 3113332134.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43123331130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320589 + ... + 434768.

It is an arithmetic number, because the mean of its divisors is an integer number (1774335942).

Almost surely, 2^43123331130 is an apocalyptic number.

43123331130 is an abundant number, since it is smaller than the sum of its proper divisors (70434169158).

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

43123331130 is a wasteful number, since it uses less digits than its factorization.

43123331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755551.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 43123331130 its reverse (3113332134), we get a palindrome (46236663264).

The spelling of 43123331130 in words is "forty-three billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred thirty".