555413450123 has 16 divisors (see below), whose sum is σ = 672218435520. Its totient is φ = 447983640576.

The previous prime is 555413450101. The next prime is 555413450159. The reversal of 555413450123 is 321054314555.

It is a cyclic number.

It is not a de Polignac number, because 555413450123 - 2⁸ = 555413449867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555413455123) 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 15 ways as a sum of consecutive naturals, for example, 243665 + ... + 1081757.

It is an arithmetic number, because the mean of its divisors is an integer number (42013652220).

Almost surely, 2^555413450123 is an apocalyptic number.

555413450123 is a deficient number, since it is larger than the sum of its proper divisors (116804985397).

555413450123 is a wasteful number, since it uses less digits than its factorization.

555413450123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843686.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 555413450123 its reverse (321054314555), we get a palindrome (876467764678).

The spelling of 555413450123 in words is "five hundred fifty-five billion, four hundred thirteen million, four hundred fifty thousand, one hundred twenty-three".