68123253 has 16 divisors (see below), whose sum is σ = 101768256. Its totient is φ = 40170240.

The previous prime is 68123243. The next prime is 68123281. The reversal of 68123253 is 35232186.

It is not a de Polignac number, because 68123253 - 2⁵ = 68123221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68123253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68123243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26676 + ... + 29117.

It is an arithmetic number, because the mean of its divisors is an integer number (6360516).

Almost surely, 2^68123253 is an apocalyptic number.

It is an amenable number.

68123253 is a deficient number, since it is larger than the sum of its proper divisors (33645003).

68123253 is a wasteful number, since it uses less digits than its factorization.

68123253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55844.

The product of its digits is 8640, while the sum is 30.

The square root of 68123253 is about 8253.6811787226. The cubic root of 68123253 is about 408.4119673450.

It can be divided in two parts, 68 and 123253, that added together give a palindrome (123321).

The spelling of 68123253 in words is "sixty-eight million, one hundred twenty-three thousand, two hundred fifty-three".