123568 has 10 divisors (see below), whose sum is σ = 239444. Its totient is φ = 61776.

The previous prime is 123553. The next prime is 123581. The reversal of 123568 is 865321.

It is a happy number.

It is a plaindrome in base 10.

It is an unprimeable number.

123568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3846 + ... + 3877.

2¹²³⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

123568 is a deficient number, since it is larger than the sum of its proper divisors (115876).

123568 is an equidigital number, since it uses as much as digits as its factorization.

123568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731 (or 7725 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 123568 is about 351.5224032690. The cubic root of 123568 is about 49.8083328798.

Adding to 123568 its reverse (865321), we get a palindrome (988889).

The spelling of 123568 in words is "one hundred twenty-three thousand, five hundred sixty-eight".