1996436703923 has 2 divisors, whose sum is σ = 1996436703924. Its totient is φ = 1996436703922.

The previous prime is 1996436703917. The next prime is 1996436703979. The reversal of 1996436703923 is 3293076346991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1996436703923 - 2²² = 1996432509619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1996436703623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998218351961 + 998218351962.

It is an arithmetic number, because the mean of its divisors is an integer number (998218351962).

Almost surely, 2^{1996436703923} is an apocalyptic number.

1996436703923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996436703923 is an equidigital number, since it uses as much as digits as its factorization.

1996436703923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39680928, while the sum is 62.

The spelling of 1996436703923 in words is "one trillion, nine hundred ninety-six billion, four hundred thirty-six million, seven hundred three thousand, nine hundred twenty-three".