555413455123 has 2 divisors, whose sum is σ = 555413455124. Its totient is φ = 555413455122.

The previous prime is 555413455073. The next prime is 555413455141. The reversal of 555413455123 is 321554314555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555413455123 - 2²⁹ = 554876584211 is a prime.

It is a super-2 number, since 2×555413455123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555413455123.

It is not a weakly prime, because it can be changed into another prime (555413455523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277706727561 + 277706727562.

It is an arithmetic number, because the mean of its divisors is an integer number (277706727562).

Almost surely, 2^555413455123 is an apocalyptic number.

555413455123 is a deficient number, since it is larger than the sum of its proper divisors (1).

555413455123 is an equidigital number, since it uses as much as digits as its factorization.

555413455123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900000, while the sum is 43.

Adding to 555413455123 its reverse (321554314555), we get a palindrome (876967769678).

The spelling of 555413455123 in words is "five hundred fifty-five billion, four hundred thirteen million, four hundred fifty-five thousand, one hundred twenty-three".