553331120123 has 16 divisors (see below), whose sum is σ = 591098029344. Its totient is φ = 516160719360.

The previous prime is 553331120093. The next prime is 553331120141. The reversal of 553331120123 is 321021133355.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 553331120123 - 2¹⁶ = 553331054587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553331120183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798488 + ... + 1320698.

It is an arithmetic number, because the mean of its divisors is an integer number (36943626834).

Almost surely, 2^553331120123 is an apocalyptic number.

553331120123 is a deficient number, since it is larger than the sum of its proper divisors (37766909221).

553331120123 is a wasteful number, since it uses less digits than its factorization.

553331120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522782.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 553331120123 its reverse (321021133355), we get a palindrome (874352253478).

The spelling of 553331120123 in words is "five hundred fifty-three billion, three hundred thirty-one million, one hundred twenty thousand, one hundred twenty-three".