68123429 has 8 divisors (see below), whose sum is σ = 74494080. Its totient is φ = 61782400.

The previous prime is 68123423. The next prime is 68123431. The reversal of 68123429 is 92432186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68123429 - 2⁴ = 68123413 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 (68123423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (9311760).

Almost surely, 2^68123429 is an apocalyptic number.

It is an amenable number.

68123429 is a deficient number, since it is larger than the sum of its proper divisors (6370651).

68123429 is a wasteful number, since it uses less digits than its factorization.

68123429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811.

The product of its digits is 20736, while the sum is 35.

The square root of 68123429 is about 8253.6918406250. The cubic root of 68123429 is about 408.4123190626.

The spelling of 68123429 in words is "sixty-eight million, one hundred twenty-three thousand, four hundred twenty-nine".