16232317 has 4 divisors (see below), whose sum is σ = 16267840. Its totient is φ = 16196796.

The previous prime is 16232303. The next prime is 16232323. The reversal of 16232317 is 71323261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71323261 = 991 ⋅71971.

It is a cyclic number.

It is not a de Polignac number, because 16232317 - 2¹⁵ = 16199549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16232291 and 16232300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16232347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17067 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (4066960).

Almost surely, 2^16232317 is an apocalyptic number.

It is an amenable number.

16232317 is a deficient number, since it is larger than the sum of its proper divisors (35523).

16232317 is an equidigital number, since it uses as much as digits as its factorization.

16232317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522.

The product of its digits is 1512, while the sum is 25.

The square root of 16232317 is about 4028.9349709321. The cubic root of 16232317 is about 253.1979422361.

Adding to 16232317 its reverse (71323261), we get a palindrome (87555578).

The spelling of 16232317 in words is "sixteen million, two hundred thirty-two thousand, three hundred seventeen".