2956123 has 2 divisors, whose sum is σ = 2956124. Its totient is φ = 2956122.

The previous prime is 2956111. The next prime is 2956133. The reversal of 2956123 is 3216592.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2956123 - 2¹⁷ = 2825051 is a prime.

It is a super-2 number, since 2×2956123² = 17477326382258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2956091 and 2956100.

It is not a weakly prime, because it can be changed into another prime (2956133) 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, 1478061 + 1478062.

It is an arithmetic number, because the mean of its divisors is an integer number (1478062).

2^2956123 is an apocalyptic number.

2956123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956123 is an equidigital number, since it uses as much as digits as its factorization.

2956123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 2956123 is about 1719.3379539811. The cubic root of 2956123 is about 143.5183722789.

It can be divided in two parts, 29561 and 23, that added together give a square (29584 = 172²).

The spelling of 2956123 in words is "two million, nine hundred fifty-six thousand, one hundred twenty-three".