3955123 has 2 divisors, whose sum is σ = 3955124. Its totient is φ = 3955122.

The previous prime is 3955121. The next prime is 3955139. The reversal of 3955123 is 3215593.

It is a weak prime.

It is an emirp because it is prime and its reverse (3215593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3955123 - 2¹ = 3955121 is a prime.

Together with 3955121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3955091 and 3955100.

It is not a weakly prime, because it can be changed into another prime (3955121) 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, 1977561 + 1977562.

It is an arithmetic number, because the mean of its divisors is an integer number (1977562).

Almost surely, 2^3955123 is an apocalyptic number.

3955123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955123 is an equidigital number, since it uses as much as digits as its factorization.

3955123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 28.

The square root of 3955123 is about 1988.7491043367. The cubic root of 3955123 is about 158.1442228501.

The spelling of 3955123 in words is "three million, nine hundred fifty-five thousand, one hundred twenty-three".