18783423192948 has 48 divisors (see below), whose sum is σ = 46406765934144. Its totient is φ = 5892754639360.

The previous prime is 18783423192913. The next prime is 18783423192949. The reversal of 18783423192948 is 84929132438781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18783423192949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14549683 + ... + 15787973.

It is an arithmetic number, because the mean of its divisors is an integer number (966807623628).

Almost surely, 2^{18783423192948} is an apocalyptic number.

It is an amenable number.

18783423192948 is an abundant number, since it is smaller than the sum of its proper divisors (27623342741196).

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

18783423192948 is a wasteful number, since it uses less digits than its factorization.

18783423192948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312672 (or 1312670 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 69.

The spelling of 18783423192948 in words is "eighteen trillion, seven hundred eighty-three billion, four hundred twenty-three million, one hundred ninety-two thousand, nine hundred forty-eight".