16787503323 has 12 divisors (see below), whose sum is σ = 24249741880. Its totient is φ = 11191149216.

The previous prime is 16787503321. The next prime is 16787503357. The reversal of 16787503323 is 32330578761.

16787503323 is a `hidden beast` number, since 1 + 67 + 87 + 503 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 16787503323 - 2¹ = 16787503321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16787503321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337863 + ... + 384351.

Almost surely, 2^16787503323 is an apocalyptic number.

16787503323 is a deficient number, since it is larger than the sum of its proper divisors (7462238557).

16787503323 is a wasteful number, since it uses less digits than its factorization.

16787503323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86618 (or 86615 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 16787503323 in words is "sixteen billion, seven hundred eighty-seven million, five hundred three thousand, three hundred twenty-three".