23120554135 has 8 divisors (see below), whose sum is σ = 31708188576. Its totient is φ = 15854094240.

The previous prime is 23120554103. The next prime is 23120554139. The reversal of 23120554135 is 53145502132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23120554135 - 2⁵ = 23120554103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23120554097 and 23120554106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120554139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330293596 + ... + 330293665.

It is an arithmetic number, because the mean of its divisors is an integer number (3963523572).

Almost surely, 2^23120554135 is an apocalyptic number.

23120554135 is a deficient number, since it is larger than the sum of its proper divisors (8587634441).

23120554135 is an equidigital number, since it uses as much as digits as its factorization.

23120554135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660587273.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 23120554135 in words is "twenty-three billion, one hundred twenty million, five hundred fifty-four thousand, one hundred thirty-five".