23228428665 has 16 divisors (see below), whose sum is σ = 40024369728. Its totient is φ = 11435534016.

The previous prime is 23228428633. The next prime is 23228428711. The reversal of 23228428665 is 56682482232.

It is not a de Polignac number, because 23228428665 - 2⁵ = 23228428633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59559879 + ... + 59560268.

It is an arithmetic number, because the mean of its divisors is an integer number (2501523108).

Almost surely, 2^23228428665 is an apocalyptic number.

It is an amenable number.

23228428665 is a deficient number, since it is larger than the sum of its proper divisors (16795941063).

23228428665 is a wasteful number, since it uses less digits than its factorization.

23228428665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119120168.

The product of its digits is 2211840, while the sum is 48.

The spelling of 23228428665 in words is "twenty-three billion, two hundred twenty-eight million, four hundred twenty-eight thousand, six hundred sixty-five".