566607623 has 2 divisors, whose sum is σ = 566607624. Its totient is φ = 566607622.

The previous prime is 566607611. The next prime is 566607641. The reversal of 566607623 is 326706665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566607623 - 2¹⁶ = 566542087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566607673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283303811 + 283303812.

It is an arithmetic number, because the mean of its divisors is an integer number (283303812).

Almost surely, 2^566607623 is an apocalyptic number.

566607623 is a deficient number, since it is larger than the sum of its proper divisors (1).

566607623 is an equidigital number, since it uses as much as digits as its factorization.

566607623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 566607623 is about 23803.5212311120. The cubic root of 566607623 is about 827.4862849776.

The spelling of 566607623 in words is "five hundred sixty-six million, six hundred seven thousand, six hundred twenty-three".