18343312300 has 18 divisors (see below), whose sum is σ = 39804987908. Its totient is φ = 7337324880.

The previous prime is 18343312277. The next prime is 18343312303. The reversal of 18343312300 is 321334381.

It is a super-2 number, since 2×18343312300² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18343312303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91716462 + ... + 91716661.

Almost surely, 2^18343312300 is an apocalyptic number.

18343312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18343312300 is an abundant number, since it is smaller than the sum of its proper divisors (21461675608).

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

18343312300 is a wasteful number, since it uses less digits than its factorization.

18343312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183433137 (or 183433130 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 18343312300 its reverse (321334381), we get a palindrome (18664646681).

The spelling of 18343312300 in words is "eighteen billion, three hundred forty-three million, three hundred twelve thousand, three hundred".