113023231729 has 4 divisors (see below), whose sum is σ = 113184463860. Its totient is φ = 112861999600.

The previous prime is 113023231721. The next prime is 113023231753. The reversal of 113023231729 is 927132320311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927132320311 = 417191 ⋅2222321.

It can be written as a sum of positive squares in 2 ways, for example, as 75746048400 + 37277183329 = 275220^2 + 193073^2 .

It is a cyclic number.

It is not a de Polignac number, because 113023231729 - 2³ = 113023231721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113023231694 and 113023231703.

It is not an unprimeable number, because it can be changed into a prime (113023231721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80615014 + ... + 80616415.

It is an arithmetic number, because the mean of its divisors is an integer number (28296115965).

Almost surely, 2^113023231729 is an apocalyptic number.

It is an amenable number.

113023231729 is a deficient number, since it is larger than the sum of its proper divisors (161232131).

113023231729 is an equidigital number, since it uses as much as digits as its factorization.

113023231729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161232130.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 113023231729 in words is "one hundred thirteen billion, twenty-three million, two hundred thirty-one thousand, seven hundred twenty-nine".