23013637135 has 4 divisors (see below), whose sum is σ = 27616364568. Its totient is φ = 18410909704.

The previous prime is 23013637117. The next prime is 23013637139. The reversal of 23013637135 is 53173631032.

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-23013637135 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23013637135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013637139) 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, 2301363709 + ... + 2301363718.

It is an arithmetic number, because the mean of its divisors is an integer number (6904091142).

Almost surely, 2^23013637135 is an apocalyptic number.

23013637135 is a deficient number, since it is larger than the sum of its proper divisors (4602727433).

23013637135 is an equidigital number, since it uses as much as digits as its factorization.

23013637135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602727432.

The product of its (nonzero) digits is 34020, while the sum is 34.

The spelling of 23013637135 in words is "twenty-three billion, thirteen million, six hundred thirty-seven thousand, one hundred thirty-five".