3967123 has 2 divisors, whose sum is σ = 3967124. Its totient is φ = 3967122.

The previous prime is 3967121. The next prime is 3967127. The reversal of 3967123 is 3217693.

It is a weak prime.

It is an emirp because it is prime and its reverse (3217693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3967123 - 2¹ = 3967121 is a prime.

Together with 3967121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3967121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983561 + 1983562.

It is an arithmetic number, because the mean of its divisors is an integer number (1983562).

Almost surely, 2^3967123 is an apocalyptic number.

3967123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967123 is an equidigital number, since it uses as much as digits as its factorization.

3967123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 3967123 is about 1991.7637912162. The cubic root of 3967123 is about 158.3039999830.

The spelling of 3967123 in words is "three million, nine hundred sixty-seven thousand, one hundred twenty-three".