16423320036351 has 4 divisors (see below), whose sum is σ = 21897760048472. Its totient is φ = 10948880024232.

The previous prime is 16423320036329. The next prime is 16423320036367. The reversal of 16423320036351 is 15363002332461.

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

It is a de Polignac number, because none of the positive numbers 2^k-16423320036351 is a prime.

It is a super-2 number, since 2×16423320036351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423320036301) 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, 2737220006056 + ... + 2737220006061.

It is an arithmetic number, because the mean of its divisors is an integer number (5474440012118).

Almost surely, 2^{16423320036351} is an apocalyptic number.

16423320036351 is a deficient number, since it is larger than the sum of its proper divisors (5474440012121).

16423320036351 is an equidigital number, since it uses as much as digits as its factorization.

16423320036351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474440012120.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 16423320036351 in words is "sixteen trillion, four hundred twenty-three billion, three hundred twenty million, thirty-six thousand, three hundred fifty-one".