19482382123 has 4 divisors (see below), whose sum is σ = 19671531568. Its totient is φ = 19293232680.

The previous prime is 19482382103. The next prime is 19482382147. The reversal of 19482382123 is 32128328491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32128328491 = 7 ⋅4589761213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19482382123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19482382123.

It is not an unprimeable number, because it can be changed into a prime (19482382103) 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, 94574568 + ... + 94574773.

It is an arithmetic number, because the mean of its divisors is an integer number (4917882892).

Almost surely, 2^19482382123 is an apocalyptic number.

19482382123 is a deficient number, since it is larger than the sum of its proper divisors (189149445).

19482382123 is a wasteful number, since it uses less digits than its factorization.

19482382123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189149444.

The product of its digits is 165888, while the sum is 43.

The spelling of 19482382123 in words is "nineteen billion, four hundred eighty-two million, three hundred eighty-two thousand, one hundred twenty-three".