192438342823 has 4 divisors (see below), whose sum is σ = 203758245360. Its totient is φ = 181118440288.

The previous prime is 192438342749. The next prime is 192438342893. The reversal of 192438342823 is 328243834291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328243834291 = 257 ⋅1277213363.

It is a cyclic number.

It is not a de Polignac number, because 192438342823 - 2²⁵ = 192404788391 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192438342893) 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, 5659951243 + ... + 5659951276.

It is an arithmetic number, because the mean of its divisors is an integer number (50939561340).

Almost surely, 2^192438342823 is an apocalyptic number.

192438342823 is a deficient number, since it is larger than the sum of its proper divisors (11319902537).

192438342823 is a wasteful number, since it uses less digits than its factorization.

192438342823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11319902536.

The product of its digits is 1990656, while the sum is 49.

The spelling of 192438342823 in words is "one hundred ninety-two billion, four hundred thirty-eight million, three hundred forty-two thousand, eight hundred twenty-three".