623768 has 16 divisors (see below), whose sum is σ = 1182480. Its totient is φ = 308448.

The previous prime is 623767. The next prime is 623771. The reversal of 623768 is 867326.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (73905).

2⁶²³⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

623768 is a deficient number, since it is larger than the sum of its proper divisors (558712).

623768 is a wasteful number, since it uses less digits than its factorization.

623768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 623768 is about 789.7898454652. The cubic root of 623768 is about 85.4425819706.

The spelling of 623768 in words is "six hundred twenty-three thousand, seven hundred sixty-eight".