123065011 has 4 divisors (see below), whose sum is σ = 125927032. Its totient is φ = 120202992.

The previous prime is 123064987. The next prime is 123065021. The reversal of 123065011 is 110560321.

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

It is a cyclic number.

It is not a de Polignac number, because 123065011 - 2⁷ = 123064883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123065011.

It is not an unprimeable number, because it can be changed into a prime (123065021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430946 + ... + 1431031.

It is an arithmetic number, because the mean of its divisors is an integer number (31481758).

Almost surely, 2^123065011 is an apocalyptic number.

123065011 is a deficient number, since it is larger than the sum of its proper divisors (2862021).

123065011 is an equidigital number, since it uses as much as digits as its factorization.

123065011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862020.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 123065011 is about 11093.4670414618. The cubic root of 123065011 is about 497.4065863348.

The spelling of 123065011 in words is "one hundred twenty-three million, sixty-five thousand, eleven".