18850349323 has 16 divisors (see below), whose sum is σ = 20503881216. Its totient is φ = 17226110880.

The previous prime is 18850349317. The next prime is 18850349327. The reversal of 18850349323 is 32394305881.

It is a cyclic number.

It is not a de Polignac number, because 18850349323 - 2⁵ = 18850349291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18850349327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598940 + ... + 2606182.

It is an arithmetic number, because the mean of its divisors is an integer number (1281492576).

Almost surely, 2^18850349323 is an apocalyptic number.

18850349323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18850349323 is a deficient number, since it is larger than the sum of its proper divisors (1653531893).

18850349323 is a wasteful number, since it uses less digits than its factorization.

18850349323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 18850349323 in words is "eighteen billion, eight hundred fifty million, three hundred forty-nine thousand, three hundred twenty-three".