2947123 has 2 divisors, whose sum is σ = 2947124. Its totient is φ = 2947122.

The previous prime is 2947117. The next prime is 2947127. The reversal of 2947123 is 3217492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2947123 - 2⁹ = 2946611 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2947091 and 2947100.

It is not a weakly prime, because it can be changed into another prime (2947127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473561 + 1473562.

It is an arithmetic number, because the mean of its divisors is an integer number (1473562).

2^2947123 is an apocalyptic number.

2947123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947123 is an equidigital number, since it uses as much as digits as its factorization.

2947123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 2947123 is about 1716.7186723514. The cubic root of 2947123 is about 143.3725756382.

The spelling of 2947123 in words is "two million, nine hundred forty-seven thousand, one hundred twenty-three".