16213023 has 24 divisors (see below), whose sum is σ = 25084800. Its totient is φ = 10059984.

The previous prime is 16213013. The next prime is 16213027. The reversal of 16213023 is 32031261.

It is not a de Polignac number, because 16213023 - 2⁸ = 16212767 is a prime.

It is a super-2 number, since 2×16213023² = 525724229597058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16212987 and 16213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9286 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (1045200).

Almost surely, 2^16213023 is an apocalyptic number.

16213023 is a deficient number, since it is larger than the sum of its proper divisors (8871777).

16213023 is a wasteful number, since it uses less digits than its factorization.

16213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1688 counting only the distinct ones).

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

The square root of 16213023 is about 4026.5398296801. The cubic root of 16213023 is about 253.0975840449.

Adding to 16213023 its reverse (32031261), we get a palindrome (48244284).

The spelling of 16213023 in words is "sixteen million, two hundred thirteen thousand, twenty-three".