66683123 has 8 divisors (see below), whose sum is σ = 71889216. Its totient is φ = 61488000.

The previous prime is 66683117. The next prime is 66683143. The reversal of 66683123 is 32138666.

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 66683123 - 2⁶ = 66683059 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (66683143) 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, 13478 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (8986152).

Almost surely, 2^66683123 is an apocalyptic number.

66683123 is a deficient number, since it is larger than the sum of its proper divisors (5206093).

66683123 is a wasteful number, since it uses less digits than its factorization.

66683123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485.

The product of its digits is 31104, while the sum is 35.

The square root of 66683123 is about 8165.9734875886. The cubic root of 66683123 is about 405.5134938745.

The spelling of 66683123 in words is "sixty-six million, six hundred eighty-three thousand, one hundred twenty-three".