13423731754540 has 12 divisors (see below), whose sum is σ = 28189836684576. Its totient is φ = 5369492701808.

The previous prime is 13423731754519. The next prime is 13423731754547. The reversal of 13423731754540 is 4545713732431.

It is a super-2 number, since 2×13423731754540² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13423731754547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335593293844 + ... + 335593293883.

It is an arithmetic number, because the mean of its divisors is an integer number (2349153057048).

Almost surely, 2^{13423731754540} is an apocalyptic number.

13423731754540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423731754540 is an abundant number, since it is smaller than the sum of its proper divisors (14766104930036).

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

13423731754540 is a wasteful number, since it uses less digits than its factorization.

13423731754540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671186587736 (or 671186587734 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 13423731754540 in words is "thirteen trillion, four hundred twenty-three billion, seven hundred thirty-one million, seven hundred fifty-four thousand, five hundred forty".