20455030341123 has 16 divisors (see below), whose sum is σ = 31191051530496. Its totient is φ = 11680533208800.

The previous prime is 20455030341103. The next prime is 20455030341167. The reversal of 20455030341123 is 32114303055402.

It is not a de Polignac number, because 20455030341123 - 2¹⁸ = 20455030078979 is a prime.

It is a super-3 number, since 3×20455030341123³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20455030341103) 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, 335617036 + ... + 335677977.

It is an arithmetic number, because the mean of its divisors is an integer number (1949440720656).

Almost surely, 2^{20455030341123} is an apocalyptic number.

20455030341123 is a deficient number, since it is larger than the sum of its proper divisors (10736021189373).

20455030341123 is a wasteful number, since it uses less digits than its factorization.

20455030341123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671296474.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 20455030341123 its reverse (32114303055402), we get a palindrome (52569333396525).

The spelling of 20455030341123 in words is "twenty trillion, four hundred fifty-five billion, thirty million, three hundred forty-one thousand, one hundred twenty-three".