12001963723 has 2 divisors, whose sum is σ = 12001963724. Its totient is φ = 12001963722.

The previous prime is 12001963711. The next prime is 12001963733. The reversal of 12001963723 is 32736910021.

It is a strong prime.

It is an emirp because it is prime and its reverse (32736910021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001963723 - 2⁵ = 12001963691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001963733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000981861 + 6000981862.

It is an arithmetic number, because the mean of its divisors is an integer number (6000981862).

Almost surely, 2^12001963723 is an apocalyptic number.

12001963723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001963723 is an equidigital number, since it uses as much as digits as its factorization.

12001963723 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12001963723 in words is "twelve billion, one million, nine hundred sixty-three thousand, seven hundred twenty-three".