13723703295481 has 12 divisors (see below), whose sum is σ = 14063220049396. Its totient is φ = 13390922442240.

The previous prime is 13723703295479. The next prime is 13723703295487. The reversal of 13723703295481 is 18459230732731.

It can be written as a sum of positive squares in 2 ways, for example, as 6886215705600 + 6837487589881 = 2624160^2 + 2614859^2 .

It is not a de Polignac number, because 13723703295481 - 2¹ = 13723703295479 is a prime.

It is a super-2 number, since 2×13723703295481² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13723703295487) 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, 13544100 + ... + 14522053.

Almost surely, 2^{13723703295481} is an apocalyptic number.

It is an amenable number.

13723703295481 is a deficient number, since it is larger than the sum of its proper divisors (339516753915).

13723703295481 is an frugal number, since it uses more digits than its factorization.

13723703295481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28066392 (or 28066321 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 13723703295481 in words is "thirteen trillion, seven hundred twenty-three billion, seven hundred three million, two hundred ninety-five thousand, four hundred eighty-one".