123022563 has 4 divisors (see below), whose sum is σ = 164030088. Its totient is φ = 82015040.

The previous prime is 123022507. The next prime is 123022567. The reversal of 123022563 is 365220321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123022563 - 2⁸ = 123022307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123022567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20503758 + ... + 20503763.

It is an arithmetic number, because the mean of its divisors is an integer number (41007522).

Almost surely, 2^123022563 is an apocalyptic number.

123022563 is a deficient number, since it is larger than the sum of its proper divisors (41007525).

123022563 is an equidigital number, since it uses as much as digits as its factorization.

123022563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41007524.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 123022563 is about 11091.5536783626. The cubic root of 123022563 is about 497.3493907040.

Adding to 123022563 its reverse (365220321), we get a palindrome (488242884).

The spelling of 123022563 in words is "one hundred twenty-three million, twenty-two thousand, five hundred sixty-three".