19243123213392 has 120 divisors (see below), whose sum is σ = 58001428519944. Its totient is φ = 5920471636992.

The previous prime is 19243123213357. The next prime is 19243123213393. The reversal of 19243123213392 is 29331232134291.

19243123213392 is a `hidden beast` number, since 1 + 9 + 2 + 4 + 312 + 321 + 3 + 3 + 9 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 126697536 + 19242996515856 = 11256^2 + 4386684^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19243123213393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22563898 + ... + 23401190.

Almost surely, 2^{19243123213392} is an apocalyptic number.

19243123213392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19243123213392 is an abundant number, since it is smaller than the sum of its proper divisors (38758305306552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19243123213392 is a wasteful number, since it uses less digits than its factorization.

19243123213392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849597 (or 849588 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The spelling of 19243123213392 in words is "nineteen trillion, two hundred forty-three billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred ninety-two".