42403434423 has 8 divisors (see below), whose sum is σ = 64614757248. Its totient is φ = 24230533944.

The previous prime is 42403434419. The next prime is 42403434431. The reversal of 42403434423 is 32443430424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42403434423 - 2² = 42403434419 is a prime.

It is a super-2 number, since 2×42403434423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403434023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009605561 + ... + 1009605602.

It is an arithmetic number, because the mean of its divisors is an integer number (8076844656).

Almost surely, 2^42403434423 is an apocalyptic number.

42403434423 is a deficient number, since it is larger than the sum of its proper divisors (22211322825).

42403434423 is a wasteful number, since it uses less digits than its factorization.

42403434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019211173.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 42403434423 its reverse (32443430424), we get a palindrome (74846864847).

The spelling of 42403434423 in words is "forty-two billion, four hundred three million, four hundred thirty-four thousand, four hundred twenty-three".