16312433 has 2 divisors, whose sum is σ = 16312434. Its totient is φ = 16312432.

The previous prime is 16312427. The next prime is 16312441. The reversal of 16312433 is 33421361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8952064 + 7360369 = 2992^2 + 2713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16312433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16312399 and 16312408.

It is not a weakly prime, because it can be changed into another prime (16312033) 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, 8156216 + 8156217.

It is an arithmetic number, because the mean of its divisors is an integer number (8156217).

Almost surely, 2^16312433 is an apocalyptic number.

It is an amenable number.

16312433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312433 is an equidigital number, since it uses as much as digits as its factorization.

16312433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 16312433 is about 4038.8653109506. The cubic root of 16312433 is about 253.6138188773.

Adding to 16312433 its reverse (33421361), we get a palindrome (49733794).

The spelling of 16312433 in words is "sixteen million, three hundred twelve thousand, four hundred thirty-three".