19794904360423 has 4 divisors (see below), whose sum is σ = 19797879702168. Its totient is φ = 19791929018680.

The previous prime is 19794904360409. The next prime is 19794904360459. The reversal of 19794904360423 is 32406340949791.

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 19794904360423 - 2⁴¹ = 17595881104871 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 (19794904360403) 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, 1487660893 + ... + 1487674198.

It is an arithmetic number, because the mean of its divisors is an integer number (4949469925542).

Almost surely, 2^{19794904360423} is an apocalyptic number.

19794904360423 is a deficient number, since it is larger than the sum of its proper divisors (2975341745).

19794904360423 is an equidigital number, since it uses as much as digits as its factorization.

19794904360423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975341744.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 19794904360423 in words is "nineteen trillion, seven hundred ninety-four billion, nine hundred four million, three hundred sixty thousand, four hundred twenty-three".