16231427 has 2 divisors, whose sum is σ = 16231428. Its totient is φ = 16231426.

The previous prime is 16231393. The next prime is 16231441. The reversal of 16231427 is 72413261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16231427 - 2¹² = 16227331 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16231396 and 16231405.

It is not a weakly prime, because it can be changed into another prime (16231927) 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, 8115713 + 8115714.

It is an arithmetic number, because the mean of its divisors is an integer number (8115714).

Almost surely, 2^16231427 is an apocalyptic number.

16231427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16231427 is an equidigital number, since it uses as much as digits as its factorization.

16231427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 16231427 is about 4028.8245183924. The cubic root of 16231427 is about 253.1933146304.

Adding to 16231427 its reverse (72413261), we get a palindrome (88644688).

The spelling of 16231427 in words is "sixteen million, two hundred thirty-one thousand, four hundred twenty-seven".