13423435310403 has 12 divisors (see below), whose sum is σ = 19581380883168. Its totient is φ = 8860353339600.

The previous prime is 13423435310399. The next prime is 13423435310419. The reversal of 13423435310403 is 30401353432431.

13423435310403 is a `hidden beast` number, since 1 + 3 + 4 + 234 + 3 + 5 + 3 + 10 + 403 = 666.

13423435310403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13423435310403 - 2² = 13423435310399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423435310443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7383626875 + ... + 7383628692.

It is an arithmetic number, because the mean of its divisors is an integer number (1631781740264).

Almost surely, 2^{13423435310403} is an apocalyptic number.

13423435310403 is a deficient number, since it is larger than the sum of its proper divisors (6157945572765).

13423435310403 is a wasteful number, since it uses less digits than its factorization.

13423435310403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767255674 (or 14767255671 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 13423435310403 its reverse (30401353432431), we get a palindrome (43824788742834).

The spelling of 13423435310403 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-five million, three hundred ten thousand, four hundred three".