5657623 has 2 divisors, whose sum is σ = 5657624. Its totient is φ = 5657622.

The previous prime is 5657599. The next prime is 5657627. The reversal of 5657623 is 3267565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5657623 - 2¹⁷ = 5526551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5657627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828811 + 2828812.

It is an arithmetic number, because the mean of its divisors is an integer number (2828812).

Almost surely, 2^5657623 is an apocalyptic number.

5657623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5657623 is an equidigital number, since it uses as much as digits as its factorization.

5657623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 5657623 is about 2378.5758344018. The cubic root of 5657623 is about 178.1878146370.

The spelling of 5657623 in words is "five million, six hundred fifty-seven thousand, six hundred twenty-three".