123248065 has 4 divisors (see below), whose sum is σ = 147897684. Its totient is φ = 98598448.

The previous prime is 123248023. The next prime is 123248071. The reversal of 123248065 is 560842321.

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 29235649 + 94012416 = 5407^2 + 9696^2 .

It is a cyclic number.

It is not a de Polignac number, because 123248065 - 2⁷ = 123247937 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, 12324802 + ... + 12324811.

It is an arithmetic number, because the mean of its divisors is an integer number (36974421).

Almost surely, 2^123248065 is an apocalyptic number.

It is an amenable number.

123248065 is a deficient number, since it is larger than the sum of its proper divisors (24649619).

123248065 is an equidigital number, since it uses as much as digits as its factorization.

123248065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24649618.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 123248065 is about 11101.7145072282. The cubic root of 123248065 is about 497.6530879097.

The spelling of 123248065 in words is "one hundred twenty-three million, two hundred forty-eight thousand, sixty-five".