23132155135 has 4 divisors (see below), whose sum is σ = 27758586168. Its totient is φ = 18505724104.

The previous prime is 23132155129. The next prime is 23132155157. The reversal of 23132155135 is 53155123132.

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 23132155135 - 2¹¹ = 23132153087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23132155097 and 23132155106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313215509 + ... + 2313215518.

It is an arithmetic number, because the mean of its divisors is an integer number (6939646542).

Almost surely, 2^23132155135 is an apocalyptic number.

23132155135 is a deficient number, since it is larger than the sum of its proper divisors (4626431033).

23132155135 is an equidigital number, since it uses as much as digits as its factorization.

23132155135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626431032.

The product of its digits is 13500, while the sum is 31.

Adding to 23132155135 its reverse (53155123132), we get a palindrome (76287278267).

The spelling of 23132155135 in words is "twenty-three billion, one hundred thirty-two million, one hundred fifty-five thousand, one hundred thirty-five".