2917423 has 2 divisors, whose sum is σ = 2917424. Its totient is φ = 2917422.

The previous prime is 2917403. The next prime is 2917427. The reversal of 2917423 is 3247192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2917423 - 2²¹ = 820271 is a prime.

It is a super-2 number, since 2×2917423² = 17022713921858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2917391 and 2917400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2917427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458711 + 1458712.

It is an arithmetic number, because the mean of its divisors is an integer number (1458712).

2^2917423 is an apocalyptic number.

2917423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2917423 is an equidigital number, since it uses as much as digits as its factorization.

2917423 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 2917423 is about 1708.0465450332. The cubic root of 2917423 is about 142.8893303187.

The spelling of 2917423 in words is "two million, nine hundred seventeen thousand, four hundred twenty-three".