18300234803 has 2 divisors, whose sum is σ = 18300234804. Its totient is φ = 18300234802.

The previous prime is 18300234787. The next prime is 18300234833. The reversal of 18300234803 is 30843200381.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18300234803 - 2⁴ = 18300234787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18300234803.

It is not a weakly prime, because it can be changed into another prime (18300234833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9150117401 + 9150117402.

It is an arithmetic number, because the mean of its divisors is an integer number (9150117402).

Almost surely, 2^18300234803 is an apocalyptic number.

18300234803 is a deficient number, since it is larger than the sum of its proper divisors (1).

18300234803 is an equidigital number, since it uses as much as digits as its factorization.

18300234803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 18300234803 in words is "eighteen billion, three hundred million, two hundred thirty-four thousand, eight hundred three".