16123203 has 12 divisors (see below), whose sum is σ = 23393760. Its totient is φ = 10700496.

The previous prime is 16123201. The next prime is 16123213. The reversal of 16123203 is 30232161.

It is not a de Polignac number, because 16123203 - 2¹ = 16123201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851 + ... + 5972.

It is an arithmetic number, because the mean of its divisors is an integer number (1949480).

Almost surely, 2^16123203 is an apocalyptic number.

16123203 is a deficient number, since it is larger than the sum of its proper divisors (7270557).

16123203 is a wasteful number, since it uses less digits than its factorization.

16123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058 (or 8055 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 16123203 is about 4015.3708421514. The cubic root of 16123203 is about 252.6293321689.

Adding to 16123203 its reverse (30232161), we get a palindrome (46355364).

The spelling of 16123203 in words is "sixteen million, one hundred twenty-three thousand, two hundred three".