43123222140042 has 32 divisors (see below), whose sum is σ = 94092060715200. Its totient is φ = 13066944379520.

The previous prime is 43123222140023. The next prime is 43123222140083. The reversal of 43123222140042 is 24004122232134.

It is a super-2 number, since 2×43123222140042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43123222139991 and 43123222140009.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16222917 + ... + 18693032.

It is an arithmetic number, because the mean of its divisors is an integer number (2940376897350).

Almost surely, 2^{43123222140042} is an apocalyptic number.

43123222140042 is an abundant number, since it is smaller than the sum of its proper divisors (50968838575158).

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

43123222140042 is a wasteful number, since it uses less digits than its factorization.

43123222140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34934678.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43123222140042 its reverse (24004122232134), we get a palindrome (67127344372176).

The spelling of 43123222140042 in words is "forty-three trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred forty thousand, forty-two".