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12231110120023 = 101449120564127
BaseRepresentation
bin1011000111111100011011…
…1110010101001001010111
31121022021122002112122001101
42301333012332111021113
53100343303142320043
642002521110010531
72401445211430624
oct261770676251127
947267562478041
1012231110120023
1139962038866a3
12145657a046a47
136a9509088bb2
14303dbb71d34b
1516325c6a324d
hexb1fc6f95257

12231110120023 has 4 divisors (see below), whose sum is σ = 12231230785600. Its totient is φ = 12230989454448.

The previous prime is 12231110119993. The next prime is 12231110120059. The reversal of 12231110120023 is 32002101113221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12231110120023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231110126023) 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, 60180615 + ... + 60383512.

It is an arithmetic number, because the mean of its divisors is an integer number (3057807696400).

Almost surely, 212231110120023 is an apocalyptic number.

12231110120023 is a deficient number, since it is larger than the sum of its proper divisors (120665577).

12231110120023 is a wasteful number, since it uses less digits than its factorization.

12231110120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120665576.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12231110120023 its reverse (32002101113221), we get a palindrome (44233211233244).

The spelling of 12231110120023 in words is "twelve trillion, two hundred thirty-one billion, one hundred ten million, one hundred twenty thousand, twenty-three".

Divisors: 1 101449 120564127 12231110120023