43123340120 has 128 divisors (see below), whose sum is σ = 116812800000. Its totient is φ = 13996426752.

The previous prime is 43123340107. The next prime is 43123340137. The reversal of 43123340120 is 2104332134.

It is a super-2 number, since 2×43123340120² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 10366601 + ... + 10370759.

It is an arithmetic number, because the mean of its divisors is an integer number (912600000).

Almost surely, 2^43123340120 is an apocalyptic number.

43123340120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43123340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58406400000).

43123340120 is an abundant number, since it is smaller than the sum of its proper divisors (73689459880).

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

43123340120 is a wasteful number, since it uses less digits than its factorization.

43123340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145 (or 6141 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43123340120 its reverse (2104332134), we get a palindrome (45227672254).

The spelling of 43123340120 in words is "forty-three billion, one hundred twenty-three million, three hundred forty thousand, one hundred twenty".