23387052320111 has 4 divisors (see below), whose sum is σ = 23930937257832. Its totient is φ = 22843167382392.

The previous prime is 23387052320059. The next prime is 23387052320147. The reversal of 23387052320111 is 11102325078332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23387052320111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23387052320711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271942468796 + ... + 271942468881.

It is an arithmetic number, because the mean of its divisors is an integer number (5982734314458).

Almost surely, 2^{23387052320111} is an apocalyptic number.

23387052320111 is a deficient number, since it is larger than the sum of its proper divisors (543884937721).

23387052320111 is an equidigital number, since it uses as much as digits as its factorization.

23387052320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543884937720.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 23387052320111 its reverse (11102325078332), we get a palindrome (34489377398443).

The spelling of 23387052320111 in words is "twenty-three trillion, three hundred eighty-seven billion, fifty-two million, three hundred twenty thousand, one hundred eleven".