3940177123 has 2 divisors, whose sum is σ = 3940177124. Its totient is φ = 3940177122.

The previous prime is 3940177069. The next prime is 3940177139. The reversal of 3940177123 is 3217710493.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3217710493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940177123 is a prime.

It is a super-2 number, since 2×3940177123² = 31049991521225114258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3940177723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970088561 + 1970088562.

It is an arithmetic number, because the mean of its divisors is an integer number (1970088562).

Almost surely, 2^3940177123 is an apocalyptic number.

3940177123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940177123 is an equidigital number, since it uses as much as digits as its factorization.

3940177123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 3940177123 is about 62770.8301920566. The cubic root of 3940177123 is about 1579.4476949841.

The spelling of 3940177123 in words is "three billion, nine hundred forty million, one hundred seventy-seven thousand, one hundred twenty-three".