23132723065 has 4 divisors (see below), whose sum is σ = 27759267684. Its totient is φ = 18506178448.

The previous prime is 23132723051. The next prime is 23132723129. The reversal of 23132723065 is 56032723132.

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 18374344704 + 4758378361 = 135552^2 + 68981^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132723065 - 2⁷ = 23132722937 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 23132723065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313272302 + ... + 2313272311.

It is an arithmetic number, because the mean of its divisors is an integer number (6939816921).

Almost surely, 2^23132723065 is an apocalyptic number.

It is an amenable number.

23132723065 is a deficient number, since it is larger than the sum of its proper divisors (4626544619).

23132723065 is an equidigital number, since it uses as much as digits as its factorization.

23132723065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626544618.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 23132723065 in words is "twenty-three billion, one hundred thirty-two million, seven hundred twenty-three thousand, sixty-five".