550231536123 has 12 divisors (see below), whose sum is σ = 795180517560. Its totient is φ = 366635655456.

The previous prime is 550231536109. The next prime is 550231536131. The reversal of 550231536123 is 321635132055.

550231536123 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 31 + 5 + 3 + 612 + 3 = 666.

550231536123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550231536123 - 2¹⁰ = 550231535099 is a prime.

It is a super-2 number, since 2×550231536123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550231536103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15428586 + ... + 15464207.

It is an arithmetic number, because the mean of its divisors is an integer number (66265043130).

Almost surely, 2^550231536123 is an apocalyptic number.

550231536123 is a deficient number, since it is larger than the sum of its proper divisors (244948981437).

550231536123 is a wasteful number, since it uses less digits than its factorization.

550231536123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30894778 (or 30894775 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 550231536123 its reverse (321635132055), we get a palindrome (871866668178).

The spelling of 550231536123 in words is "five hundred fifty billion, two hundred thirty-one million, five hundred thirty-six thousand, one hundred twenty-three".