563993123 has 2 divisors, whose sum is σ = 563993124. Its totient is φ = 563993122.

The previous prime is 563993119. The next prime is 563993149. The reversal of 563993123 is 321399365.

563993123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563993123 - 2² = 563993119 is a prime.

It is not a weakly prime, because it can be changed into another prime (563990123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281996561 + 281996562.

It is an arithmetic number, because the mean of its divisors is an integer number (281996562).

Almost surely, 2^563993123 is an apocalyptic number.

563993123 is a deficient number, since it is larger than the sum of its proper divisors (1).

563993123 is an equidigital number, since it uses as much as digits as its factorization.

563993123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 41.

The square root of 563993123 is about 23748.5393866654. The cubic root of 563993123 is about 826.2115644678.

The spelling of 563993123 in words is "five hundred sixty-three million, nine hundred ninety-three thousand, one hundred twenty-three".