23643310361 has 32 divisors (see below), whose sum is σ = 27313397760. Its totient is φ = 20265033600.

The previous prime is 23643310357. The next prime is 23643310381. The reversal of 23643310361 is 16301334632.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23643310361 - 2² = 23643310357 is a prime.

It is a super-2 number, since 2×23643310361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23643310321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6435221 + ... + 6438893.

It is an arithmetic number, because the mean of its divisors is an integer number (853543680).

Almost surely, 2^23643310361 is an apocalyptic number.

It is an amenable number.

23643310361 is a deficient number, since it is larger than the sum of its proper divisors (3670087399).

23643310361 is a wasteful number, since it uses less digits than its factorization.

23643310361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 23643310361 its reverse (16301334632), we get a palindrome (39944644993).

The spelling of 23643310361 in words is "twenty-three billion, six hundred forty-three million, three hundred ten thousand, three hundred sixty-one".