12347730023 has 4 divisors (see below), whose sum is σ = 12351091800. Its totient is φ = 12344368248.

The previous prime is 12347730007. The next prime is 12347730029. The reversal of 12347730023 is 32003774321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32003774321 = 127 ⋅251998223.

It is a cyclic number.

It is not a de Polignac number, because 12347730023 - 2⁴ = 12347730007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347730029) 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, 1675373 + ... + 1682726.

It is an arithmetic number, because the mean of its divisors is an integer number (3087772950).

Almost surely, 2^12347730023 is an apocalyptic number.

12347730023 is a deficient number, since it is larger than the sum of its proper divisors (3361777).

12347730023 is an equidigital number, since it uses as much as digits as its factorization.

12347730023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361776.

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 12347730023 in words is "twelve billion, three hundred forty-seven million, seven hundred thirty thousand, twenty-three".