123066065 has 4 divisors (see below), whose sum is σ = 147679284. Its totient is φ = 98452848.

The previous prime is 123066049. The next prime is 123066091. The reversal of 123066065 is 560660321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76335169 + 46730896 = 8737^2 + 6836^2 .

It is a cyclic number.

It is not a de Polignac number, because 123066065 - 2⁴ = 123066049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12306602 + ... + 12306611.

It is an arithmetic number, because the mean of its divisors is an integer number (36919821).

Almost surely, 2^123066065 is an apocalyptic number.

It is an amenable number.

123066065 is a deficient number, since it is larger than the sum of its proper divisors (24613219).

123066065 is an equidigital number, since it uses as much as digits as its factorization.

123066065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24613218.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 123066065 is about 11093.5145467972. The cubic root of 123066065 is about 497.4080063567.

The spelling of 123066065 in words is "one hundred twenty-three million, sixty-six thousand, sixty-five".