16387458923 has 8 divisors (see below), whose sum is σ = 17955984960. Its totient is φ = 14832059080.

The previous prime is 16387458911. The next prime is 16387458953. The reversal of 16387458923 is 32985478361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16387458923 - 2⁶ = 16387458859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16387458953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278933 + ... + 3283926.

It is an arithmetic number, because the mean of its divisors is an integer number (2244498120).

Almost surely, 2^16387458923 is an apocalyptic number.

16387458923 is a deficient number, since it is larger than the sum of its proper divisors (1568526037).

16387458923 is a wasteful number, since it uses less digits than its factorization.

16387458923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563097.

The product of its digits is 8709120, while the sum is 56.

The spelling of 16387458923 in words is "sixteen billion, three hundred eighty-seven million, four hundred fifty-eight thousand, nine hundred twenty-three".