555120023 has 4 divisors (see below), whose sum is σ = 587774160. Its totient is φ = 522465888.

The previous prime is 555120011. The next prime is 555120029. The reversal of 555120023 is 320021555.

555120023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 555120023 - 2⁸ = 555119767 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 (555120029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16327043 + ... + 16327076.

It is an arithmetic number, because the mean of its divisors is an integer number (146943540).

Almost surely, 2^555120023 is an apocalyptic number.

555120023 is a deficient number, since it is larger than the sum of its proper divisors (32654137).

555120023 is a wasteful number, since it uses less digits than its factorization.

555120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32654136.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 555120023 is about 23560.9851873813. The cubic root of 555120023 is about 821.8558121521.

Adding to 555120023 its reverse (320021555), we get a palindrome (875141578).

The spelling of 555120023 in words is "five hundred fifty-five million, one hundred twenty thousand, twenty-three".