42443036232403 has 4 divisors (see below), whose sum is σ = 42447352629528. Its totient is φ = 42438719835280.

The previous prime is 42443036232391. The next prime is 42443036232419. The reversal of 42443036232403 is 30423263034424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42443036232403 is a prime.

It is a super-2 number, since 2×42443036232403² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42443036232203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158183813 + ... + 2158203478.

It is an arithmetic number, because the mean of its divisors is an integer number (10611838157382).

Almost surely, 2^{42443036232403} is an apocalyptic number.

42443036232403 is a deficient number, since it is larger than the sum of its proper divisors (4316397125).

42443036232403 is an equidigital number, since it uses as much as digits as its factorization.

42443036232403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316397124.

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 42443036232403 its reverse (30423263034424), we get a palindrome (72866299266827).

The spelling of 42443036232403 in words is "forty-two trillion, four hundred forty-three billion, thirty-six million, two hundred thirty-two thousand, four hundred three".