19962575723 has 2 divisors, whose sum is σ = 19962575724. Its totient is φ = 19962575722.

The previous prime is 19962575687. The next prime is 19962575729. The reversal of 19962575723 is 32757526991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19962575723 - 2¹⁰ = 19962574699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (19962575729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981287861 + 9981287862.

It is an arithmetic number, because the mean of its divisors is an integer number (9981287862).

Almost surely, 2^19962575723 is an apocalyptic number.

19962575723 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962575723 is an equidigital number, since it uses as much as digits as its factorization.

19962575723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7144200, while the sum is 56.

The spelling of 19962575723 in words is "nineteen billion, nine hundred sixty-two million, five hundred seventy-five thousand, seven hundred twenty-three".