18323700284 has 12 divisors (see below), whose sum is σ = 32069037000. Its totient is φ = 9161118288.

The previous prime is 18323700251. The next prime is 18323700287. The reversal of 18323700284 is 48200732381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18323700287) 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, 124559 + ... + 228390.

It is an arithmetic number, because the mean of its divisors is an integer number (2672419750).

Almost surely, 2^18323700284 is an apocalyptic number.

It is an amenable number.

18323700284 is a deficient number, since it is larger than the sum of its proper divisors (13745336716).

18323700284 is a wasteful number, since it uses less digits than its factorization.

18323700284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365932 (or 365930 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 18323700284 in words is "eighteen billion, three hundred twenty-three million, seven hundred thousand, two hundred eighty-four".