42403334311043 has 4 divisors (see below), whose sum is σ = 43437561977208. Its totient is φ = 41369106644880.

The previous prime is 42403334311027. The next prime is 42403334311073. The reversal of 42403334311043 is 34011343330424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42403334311043 - 2⁴ = 42403334311027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42403334310994 and 42403334311012.

It is not an unprimeable number, because it can be changed into a prime (42403334311073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517113833021 + ... + 517113833102.

It is an arithmetic number, because the mean of its divisors is an integer number (10859390494302).

Almost surely, 2^{42403334311043} is an apocalyptic number.

42403334311043 is a deficient number, since it is larger than the sum of its proper divisors (1034227666165).

42403334311043 is a wasteful number, since it uses less digits than its factorization.

42403334311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034227666164.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 42403334311043 its reverse (34011343330424), we get a palindrome (76414677641467).

The spelling of 42403334311043 in words is "forty-two trillion, four hundred three billion, three hundred thirty-four million, three hundred eleven thousand, forty-three".