68051423 has 4 divisors (see below), whose sum is σ = 74237928. Its totient is φ = 61864920.

The previous prime is 68051393. The next prime is 68051443. The reversal of 68051423 is 32415086.

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 68051423 - 2²⁴ = 51274207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68051443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093236 + ... + 3093257.

It is an arithmetic number, because the mean of its divisors is an integer number (18559482).

Almost surely, 2^68051423 is an apocalyptic number.

68051423 is a deficient number, since it is larger than the sum of its proper divisors (6186505).

68051423 is a wasteful number, since it uses less digits than its factorization.

68051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186504.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 68051423 is about 8249.3286393500. The cubic root of 68051423 is about 408.2683719881.

It can be divided in two parts, 6805 and 1423, that added together give a palindrome (8228).

The spelling of 68051423 in words is "sixty-eight million, fifty-one thousand, four hundred twenty-three".