18850423132 has 6 divisors (see below), whose sum is σ = 32988240488. Its totient is φ = 9425211564.

The previous prime is 18850423121. The next prime is 18850423171. The reversal of 18850423132 is 23132405881.

It is a junction number, because it is equal to n+sod(n) for n = 18850423091 and 18850423100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2356302888 + ... + 2356302895.

Almost surely, 2^18850423132 is an apocalyptic number.

It is an amenable number.

18850423132 is a deficient number, since it is larger than the sum of its proper divisors (14137817356).

18850423132 is a wasteful number, since it uses less digits than its factorization.

18850423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712605787 (or 4712605785 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 18850423132 in words is "eighteen billion, eight hundred fifty million, four hundred twenty-three thousand, one hundred thirty-two".