43123242143120 has 160 divisors (see below), whose sum is σ = 105359792256000. Its totient is φ = 16383044767232.

The previous prime is 43123242143089. The next prime is 43123242143147. The reversal of 43123242143120 is 2134124232134.

It is a happy number.

It is a super-2 number, since 2×43123242143120² (a number of 28 digits) contains 22 as substring.

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, 224857031 + ... + 225048729.

It is an arithmetic number, because the mean of its divisors is an integer number (658498701600).

Almost surely, 2^{43123242143120} is an apocalyptic number.

43123242143120 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 43123242143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52679896128000).

43123242143120 is an abundant number, since it is smaller than the sum of its proper divisors (62236550112880).

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

43123242143120 is a wasteful number, since it uses less digits than its factorization.

43123242143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192597 (or 192591 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 43123242143120 its reverse (2134124232134), we get a palindrome (45257366375254).

The spelling of 43123242143120 in words is "forty-three trillion, one hundred twenty-three billion, two hundred forty-two million, one hundred forty-three thousand, one hundred twenty".