554213351123 has 2 divisors, whose sum is σ = 554213351124. Its totient is φ = 554213351122.

The previous prime is 554213351077. The next prime is 554213351149. The reversal of 554213351123 is 321153312455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554213351123 is a prime.

It is a super-2 number, since 2×554213351123² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (554213351173) 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 as a sum of consecutive naturals, namely, 277106675561 + 277106675562.

It is an arithmetic number, because the mean of its divisors is an integer number (277106675562).

Almost surely, 2^554213351123 is an apocalyptic number.

554213351123 is a deficient number, since it is larger than the sum of its proper divisors (1).

554213351123 is an equidigital number, since it uses as much as digits as its factorization.

554213351123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

Adding to 554213351123 its reverse (321153312455), we get a palindrome (875366663578).

The spelling of 554213351123 in words is "five hundred fifty-four billion, two hundred thirteen million, three hundred fifty-one thousand, one hundred twenty-three".