42321223234043 has 4 divisors (see below), whose sum is σ = 45576701944368. Its totient is φ = 39065744523720.

The previous prime is 42321223234021. The next prime is 42321223234061. The reversal of 42321223234043 is 34043232212324.

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 42321223234043 - 2³⁰ = 42320149492219 is a prime.

It is a super-3 number, since 3×42321223234043³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42321223233994 and 42321223234012.

It is not an unprimeable number, because it can be changed into a prime (42321223234943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627739355143 + ... + 1627739355168.

It is an arithmetic number, because the mean of its divisors is an integer number (11394175486092).

Almost surely, 2^{42321223234043} is an apocalyptic number.

42321223234043 is a deficient number, since it is larger than the sum of its proper divisors (3255478710325).

42321223234043 is a wasteful number, since it uses less digits than its factorization.

42321223234043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255478710324.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 42321223234043 its reverse (34043232212324), we get a palindrome (76364455446367).

The spelling of 42321223234043 in words is "forty-two trillion, three hundred twenty-one billion, two hundred twenty-three million, two hundred thirty-four thousand, forty-three".