43155120523443 has 32 divisors (see below), whose sum is σ = 61135419451392. Its totient is φ = 26984189568000.

The previous prime is 43155120523433. The next prime is 43155120523469. The reversal of 43155120523443 is 34432502155134.

It is not a de Polignac number, because 43155120523443 - 2¹⁰ = 43155120522419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43155120523395 and 43155120523404.

It is not an unprimeable number, because it can be changed into a prime (43155120523433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66308230 + ... + 66955892.

It is an arithmetic number, because the mean of its divisors is an integer number (1910481857856).

Almost surely, 2^{43155120523443} is an apocalyptic number.

43155120523443 is a deficient number, since it is larger than the sum of its proper divisors (17980298927949).

43155120523443 is a wasteful number, since it uses less digits than its factorization.

43155120523443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652195.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 43155120523443 its reverse (34432502155134), we get a palindrome (77587622678577).

The spelling of 43155120523443 in words is "forty-three trillion, one hundred fifty-five billion, one hundred twenty million, five hundred twenty-three thousand, four hundred forty-three".