13423553004040 has 32 divisors (see below), whose sum is σ = 31177284399360. Its totient is φ = 5196214065600.

The previous prime is 13423553004023. The next prime is 13423553004047. The reversal of 13423553004040 is 4040035532431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13423553003987 and 13423553004005.

It is not an unprimeable number, because it can be changed into a prime (13423553004047) 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, 5412721746 + ... + 5412724225.

It is an arithmetic number, because the mean of its divisors is an integer number (974290137480).

Almost surely, 2^{13423553004040} is an apocalyptic number.

13423553004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423553004040 is an abundant number, since it is smaller than the sum of its proper divisors (17753731395320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13423553004040 is a wasteful number, since it uses less digits than its factorization.

13423553004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825446013 (or 10825446009 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 13423553004040 its reverse (4040035532431), we get a palindrome (17463588536471).

The spelling of 13423553004040 in words is "thirteen trillion, four hundred twenty-three billion, five hundred fifty-three million, four thousand, forty".