5553540322123 has 4 divisors (see below), whose sum is σ = 5553558280008. Its totient is φ = 5553522364240.

The previous prime is 5553540322111. The next prime is 5553540322147. The reversal of 5553540322123 is 3212230453555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5553540322123 - 2²⁵ = 5553506767691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5553540322103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8506786 + ... + 9136327.

It is an arithmetic number, because the mean of its divisors is an integer number (1388389570002).

Almost surely, 2^{5553540322123} is an apocalyptic number.

5553540322123 is a deficient number, since it is larger than the sum of its proper divisors (17957885).

5553540322123 is a wasteful number, since it uses less digits than its factorization.

5553540322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17957884.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 5553540322123 its reverse (3212230453555), we get a palindrome (8765770775678).

The spelling of 5553540322123 in words is "five trillion, five hundred fifty-three billion, five hundred forty million, three hundred twenty-two thousand, one hundred twenty-three".