16537123 has 2 divisors, whose sum is σ = 16537124. Its totient is φ = 16537122.

The previous prime is 16537121. The next prime is 16537139. The reversal of 16537123 is 32173561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16537123 - 2¹ = 16537121 is a prime.

Together with 16537121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16537091 and 16537100.

It is not a weakly prime, because it can be changed into another prime (16537121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268561 + 8268562.

It is an arithmetic number, because the mean of its divisors is an integer number (8268562).

Almost surely, 2^16537123 is an apocalyptic number.

16537123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16537123 is an equidigital number, since it uses as much as digits as its factorization.

16537123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 16537123 is about 4066.5861604053. The cubic root of 16537123 is about 254.7729518149.

The spelling of 16537123 in words is "sixteen million, five hundred thirty-seven thousand, one hundred twenty-three".