123653768 has 16 divisors (see below), whose sum is σ = 264972480. Its totient is φ = 52994448.

The previous prime is 123653743. The next prime is 123653779. The reversal of 123653768 is 867356321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103996 + ... + 1104107.

It is an arithmetic number, because the mean of its divisors is an integer number (16560780).

Almost surely, 2^123653768 is an apocalyptic number.

It is an amenable number.

123653768 is an abundant number, since it is smaller than the sum of its proper divisors (141318712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123653768 is a wasteful number, since it uses less digits than its factorization.

123653768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208116 (or 2208112 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 123653768 is about 11119.9715826975. The cubic root of 123653768 is about 498.1985412879.

It can be divided in two parts, 123653 and 768, that added together give a palindrome (124421).

The spelling of 123653768 in words is "one hundred twenty-three million, six hundred fifty-three thousand, seven hundred sixty-eight".