16522423 has 2 divisors, whose sum is σ = 16522424. Its totient is φ = 16522422.

The previous prime is 16522421. The next prime is 16522447. The reversal of 16522423 is 32422561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16522423 - 2¹ = 16522421 is a prime.

Together with 16522421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16522421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261211 + 8261212.

It is an arithmetic number, because the mean of its divisors is an integer number (8261212).

Almost surely, 2^16522423 is an apocalyptic number.

16522423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16522423 is an equidigital number, since it uses as much as digits as its factorization.

16522423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 16522423 is about 4064.7783457404. The cubic root of 16522423 is about 254.6974394329.

Adding to 16522423 its reverse (32422561), we get a palindrome (48944984).

The spelling of 16522423 in words is "sixteen million, five hundred twenty-two thousand, four hundred twenty-three".