123165361 has 8 divisors (see below), whose sum is σ = 134740800. Its totient is φ = 111653040.

The previous prime is 123165331. The next prime is 123165377. The reversal of 123165361 is 163561321.

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 123165361 - 2⁹ = 123164849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123165311) 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, 11646 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (16842600).

Almost surely, 2^123165361 is an apocalyptic number.

123165361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123165361 is a deficient number, since it is larger than the sum of its proper divisors (11575439).

123165361 is a wasteful number, since it uses less digits than its factorization.

123165361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31559.

The product of its digits is 3240, while the sum is 28.

The square root of 123165361 is about 11097.9890520761. The cubic root of 123165361 is about 497.5417484725.

The spelling of 123165361 in words is "one hundred twenty-three million, one hundred sixty-five thousand, three hundred sixty-one".