23120056055 has 4 divisors (see below), whose sum is σ = 27744067272. Its totient is φ = 18496044840.

The previous prime is 23120056039. The next prime is 23120056123. The reversal of 23120056055 is 55065002132.

It is a happy number.

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

It is not a de Polignac number, because 23120056055 - 2⁴ = 23120056039 is a prime.

It is a Duffinian number.

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, 2312005601 + ... + 2312005610.

It is an arithmetic number, because the mean of its divisors is an integer number (6936016818).

Almost surely, 2^23120056055 is an apocalyptic number.

23120056055 is a deficient number, since it is larger than the sum of its proper divisors (4624011217).

23120056055 is an equidigital number, since it uses as much as digits as its factorization.

23120056055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624011216.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 23120056055 its reverse (55065002132), we get a palindrome (78185058187).

The spelling of 23120056055 in words is "twenty-three billion, one hundred twenty million, fifty-six thousand, fifty-five".