16201505323 has 2 divisors, whose sum is σ = 16201505324. Its totient is φ = 16201505322.

The previous prime is 16201505273. The next prime is 16201505329. The reversal of 16201505323 is 32350510261.

It is a strong prime.

It is an emirp because it is prime and its reverse (32350510261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16201505323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16201505291 and 16201505300.

It is not a weakly prime, because it can be changed into another prime (16201505329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100752661 + 8100752662.

It is an arithmetic number, because the mean of its divisors is an integer number (8100752662).

Almost surely, 2^16201505323 is an apocalyptic number.

16201505323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201505323 is an equidigital number, since it uses as much as digits as its factorization.

16201505323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 16201505323 in words is "sixteen billion, two hundred one million, five hundred five thousand, three hundred twenty-three".