12320003723 has 4 divisors (see below), whose sum is σ = 12331174368. Its totient is φ = 12308833080.

The previous prime is 12320003711. The next prime is 12320003743. The reversal of 12320003723 is 32730002321.

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 12320003723 - 2⁸ = 12320003467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320003743) 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, 5583668 + ... + 5585873.

It is an arithmetic number, because the mean of its divisors is an integer number (3082793592).

Almost surely, 2^12320003723 is an apocalyptic number.

12320003723 is a deficient number, since it is larger than the sum of its proper divisors (11170645).

12320003723 is a wasteful number, since it uses less digits than its factorization.

12320003723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11170644.

The product of its (nonzero) digits is 1512, while the sum is 23.

The spelling of 12320003723 in words is "twelve billion, three hundred twenty million, three thousand, seven hundred twenty-three".