123355165 has 8 divisors (see below), whose sum is σ = 148854240. Its totient is φ = 98132112.

The previous prime is 123355139. The next prime is 123355171. The reversal of 123355165 is 561553321.

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 123355165 - 2⁹ = 123354653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68019 + ... + 69808.

It is an arithmetic number, because the mean of its divisors is an integer number (18606780).

Almost surely, 2^123355165 is an apocalyptic number.

It is an amenable number.

123355165 is a deficient number, since it is larger than the sum of its proper divisors (25499075).

123355165 is a wasteful number, since it uses less digits than its factorization.

123355165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138011.

The product of its digits is 13500, while the sum is 31.

The square root of 123355165 is about 11106.5370390595. The cubic root of 123355165 is about 497.7971962294.

The spelling of 123355165 in words is "one hundred twenty-three million, three hundred fifty-five thousand, one hundred sixty-five".