123445066165 has 8 divisors (see below), whose sum is σ = 149300490240. Its totient is φ = 97978445712.

The previous prime is 123445066057. The next prime is 123445066169. The reversal of 123445066165 is 561660544321.

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 123445066165 - 2²⁵ = 123411511733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123445066169) 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, 97200205 + ... + 97201474.

It is an arithmetic number, because the mean of its divisors is an integer number (18662561280).

Almost surely, 2^123445066165 is an apocalyptic number.

It is an amenable number.

123445066165 is a deficient number, since it is larger than the sum of its proper divisors (25855424075).

123445066165 is a wasteful number, since it uses less digits than its factorization.

123445066165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194401811.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 123445066165 in words is "one hundred twenty-three billion, four hundred forty-five million, sixty-six thousand, one hundred sixty-five".