16122623 has 4 divisors (see below), whose sum is σ = 17588328. Its totient is φ = 14656920.

The previous prime is 16122619. The next prime is 16122629. The reversal of 16122623 is 32622161.

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

It is a cyclic number.

It is not a de Polignac number, because 16122623 - 2² = 16122619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122629) 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, 732836 + ... + 732857.

It is an arithmetic number, because the mean of its divisors is an integer number (4397082).

Almost surely, 2^16122623 is an apocalyptic number.

16122623 is a deficient number, since it is larger than the sum of its proper divisors (1465705).

16122623 is a wasteful number, since it uses less digits than its factorization.

16122623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465704.

The product of its digits is 864, while the sum is 23.

The square root of 16122623 is about 4015.2986190320. The cubic root of 16122623 is about 252.6263028541.

Adding to 16122623 its reverse (32622161), we get a palindrome (48744784).

The spelling of 16122623 in words is "sixteen million, one hundred twenty-two thousand, six hundred twenty-three".