66023522423 has 8 divisors (see below), whose sum is σ = 68325087600. Its totient is φ = 63723616768.

The previous prime is 66023522417. The next prime is 66023522429. The reversal of 66023522423 is 32422532066.

It is an interprime number because it is at equal distance from previous prime (66023522417) and next prime (66023522429).

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 66023522423 - 2⁴ = 66023522407 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 (66023522429) 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, 333653 + ... + 493326.

It is an arithmetic number, because the mean of its divisors is an integer number (8540635950).

Almost surely, 2^66023522423 is an apocalyptic number.

66023522423 is a deficient number, since it is larger than the sum of its proper divisors (2301565177).

66023522423 is a wasteful number, since it uses less digits than its factorization.

66023522423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829761.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 66023522423 in words is "sixty-six billion, twenty-three million, five hundred twenty-two thousand, four hundred twenty-three".