137323585029723 has 4 divisors (see below), whose sum is σ = 183098113372968. Its totient is φ = 91549056686480.

The previous prime is 137323585029661. The next prime is 137323585029803. The reversal of 137323585029723 is 327920585323731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137323585029723 - 2⁸ = 137323585029467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137323585029923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22887264171618 + ... + 22887264171623.

It is an arithmetic number, because the mean of its divisors is an integer number (45774528343242).

Almost surely, 2^{137323585029723} is an apocalyptic number.

137323585029723 is a deficient number, since it is larger than the sum of its proper divisors (45774528343245).

137323585029723 is an equidigital number, since it uses as much as digits as its factorization.

137323585029723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45774528343244.

The product of its (nonzero) digits is 57153600, while the sum is 60.

The spelling of 137323585029723 in words is "one hundred thirty-seven trillion, three hundred twenty-three billion, five hundred eighty-five million, twenty-nine thousand, seven hundred twenty-three".