68612423 has 4 divisors (see below), whose sum is σ = 74849928. Its totient is φ = 62374920.

The previous prime is 68612413. The next prime is 68612441. The reversal of 68612423 is 32421686.

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 68612423 - 2⁴ = 68612407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68612423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68612413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118736 + ... + 3118757.

It is an arithmetic number, because the mean of its divisors is an integer number (18712482).

Almost surely, 2^68612423 is an apocalyptic number.

68612423 is a deficient number, since it is larger than the sum of its proper divisors (6237505).

68612423 is a wasteful number, since it uses less digits than its factorization.

68612423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237504.

The product of its digits is 13824, while the sum is 32.

The square root of 68612423 is about 8283.2616160544. The cubic root of 68612423 is about 409.3871927919.

The spelling of 68612423 in words is "sixty-eight million, six hundred twelve thousand, four hundred twenty-three".