16123313 has 2 divisors, whose sum is σ = 16123314. Its totient is φ = 16123312.

The previous prime is 16123301. The next prime is 16123321. The reversal of 16123313 is 31332161.

It is a happy number.

16123313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 1507984 = 3823^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 16123313 - 2⁴ = 16123297 is a prime.

It is a super-2 number, since 2×16123313² = 519922444191938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16123013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061656 + 8061657.

It is an arithmetic number, because the mean of its divisors is an integer number (8061657).

Almost surely, 2^16123313 is an apocalyptic number.

It is an amenable number.

16123313 is a deficient number, since it is larger than the sum of its proper divisors (1).

16123313 is an equidigital number, since it uses as much as digits as its factorization.

16123313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 16123313 is about 4015.3845394931. The cubic root of 16123313 is about 252.6299066859.

Adding to 16123313 its reverse (31332161), we get a palindrome (47455474).

The spelling of 16123313 in words is "sixteen million, one hundred twenty-three thousand, three hundred thirteen".