23665002236 has 12 divisors (see below), whose sum is σ = 41414991240. Its totient is φ = 11832147600.

The previous prime is 23665002233. The next prime is 23665002271. The reversal of 23665002236 is 63220056632.

It is a junction number, because it is equal to n+sod(n) for n = 23665002196 and 23665002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23665002233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113450 + ... + 245358.

It is an arithmetic number, because the mean of its divisors is an integer number (3451249270).

Almost surely, 2^23665002236 is an apocalyptic number.

It is an amenable number.

23665002236 is a deficient number, since it is larger than the sum of its proper divisors (17749989004).

23665002236 is a wasteful number, since it uses less digits than its factorization.

23665002236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176764 (or 176762 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 23665002236 its reverse (63220056632), we get a palindrome (86885058868).

The spelling of 23665002236 in words is "twenty-three billion, six hundred sixty-five million, two thousand, two hundred thirty-six".