665710123233 has 8 divisors (see below), whose sum is σ = 934329997600. Its totient is φ = 420448498848.

The previous prime is 665710123219. The next prime is 665710123283. The reversal of 665710123233 is 332321017566.

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

It is not a de Polignac number, because 665710123233 - 2⁵ = 665710123201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 665710123191 and 665710123200.

It is not an unprimeable number, because it can be changed into a prime (665710123283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839562428 + ... + 5839562541.

It is an arithmetic number, because the mean of its divisors is an integer number (116791249700).

Almost surely, 2^665710123233 is an apocalyptic number.

It is an amenable number.

665710123233 is a deficient number, since it is larger than the sum of its proper divisors (268619874367).

665710123233 is a wasteful number, since it uses less digits than its factorization.

665710123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679124991.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 665710123233 in words is "six hundred sixty-five billion, seven hundred ten million, one hundred twenty-three thousand, two hundred thirty-three".