23664230651 has 4 divisors (see below), whose sum is σ = 23665536600. Its totient is φ = 23662924704.

The previous prime is 23664230641. The next prime is 23664230669. The reversal of 23664230651 is 15603246632.

It is a happy number.

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 23664230651 - 2²² = 23660036347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23664230641) by changing a digit.

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, 625406 + ... + 662163.

It is an arithmetic number, because the mean of its divisors is an integer number (5916384150).

Almost surely, 2^23664230651 is an apocalyptic number.

23664230651 is a deficient number, since it is larger than the sum of its proper divisors (1305949).

23664230651 is a wasteful number, since it uses less digits than its factorization.

23664230651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305948.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 23664230651 in words is "twenty-three billion, six hundred sixty-four million, two hundred thirty thousand, six hundred fifty-one".