42403544530423 has 8 divisors (see below), whose sum is σ = 42475222593536. Its totient is φ = 42331906935000.

The previous prime is 42403544530393. The next prime is 42403544530429. The reversal of 42403544530423 is 32403544530424.

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

It is a cyclic number.

It is not a de Polignac number, because 42403544530423 - 2⁹ = 42403544529911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42403544530423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403544530429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019111 + ... + 12211192.

It is an arithmetic number, because the mean of its divisors is an integer number (5309402824192).

Almost surely, 2^{42403544530423} is an apocalyptic number.

42403544530423 is a deficient number, since it is larger than the sum of its proper divisors (71678063113).

42403544530423 is a wasteful number, since it uses less digits than its factorization.

42403544530423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20233845.

The product of its (nonzero) digits is 2764800, while the sum is 43.

Subtracting from 42403544530423 its reverse (32403544530424), we obtain a palindrome (9999999999999).

The spelling of 42403544530423 in words is "forty-two trillion, four hundred three billion, five hundred forty-four million, five hundred thirty thousand, four hundred twenty-three".