13423418255808 has 224 divisors, whose sum is σ = 43073023653120. Its totient is φ = 4065513016320.

The previous prime is 13423418255761. The next prime is 13423418255831. The reversal of 13423418255808 is 80855281432431.

It is a happy number.

13423418255808 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 3 + 4 + 1 + 82 + 558 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35298810 + ... + 35677062.

Almost surely, 2^{13423418255808} is an apocalyptic number.

13423418255808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13423418255808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21536511826560).

13423418255808 is an abundant number, since it is smaller than the sum of its proper divisors (29649605397312).

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

13423418255808 is a wasteful number, since it uses less digits than its factorization.

13423418255808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380152 (or 380136 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 13423418255808 in words is "thirteen trillion, four hundred twenty-three billion, four hundred eighteen million, two hundred fifty-five thousand, eight hundred eight".