16308630923 has 4 divisors (see below), whose sum is σ = 17563141008. Its totient is φ = 15054120840.

The previous prime is 16308630913. The next prime is 16308630929. The reversal of 16308630923 is 32903680361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16308630923 - 2¹⁸ = 16308368779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16308630929) 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, 627255023 + ... + 627255048.

It is an arithmetic number, because the mean of its divisors is an integer number (4390785252).

Almost surely, 2^16308630923 is an apocalyptic number.

16308630923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16308630923 is a deficient number, since it is larger than the sum of its proper divisors (1254510085).

16308630923 is a wasteful number, since it uses less digits than its factorization.

16308630923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254510084.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 16308630923 in words is "sixteen billion, three hundred eight million, six hundred thirty thousand, nine hundred twenty-three".