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231110122200023 = 1121010011109093
BaseRepresentation
bin110100100011000110000100…
…101111001101101111010111
31010022021220121210002121211102
4310203012010233031233113
5220243002012240400043
62135310305140100315
766452104163016563
oct6443060457155727
91108256553077742
10231110122200023
1167703285a54060
1221b0683439469b
139bc578b5aac61
14410db0a92a6a3
151baba882b46b8
hexd23184bcdbd7

231110122200023 has 4 divisors (see below), whose sum is σ = 252120133309128. Its totient is φ = 210100111090920.

The previous prime is 231110122199977. The next prime is 231110122200043. The reversal of 231110122200023 is 320002221011132.

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 231110122200023 - 26 = 231110122199959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231110122199968 and 231110122200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231110122200043) 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, 10505005554536 + ... + 10505005554557.

It is an arithmetic number, because the mean of its divisors is an integer number (63030033327282).

Almost surely, 2231110122200023 is an apocalyptic number.

231110122200023 is a deficient number, since it is larger than the sum of its proper divisors (21010011109105).

231110122200023 is a wasteful number, since it uses less digits than its factorization.

231110122200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21010011109104.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231110122200023 its reverse (320002221011132), we get a palindrome (551112343211155).

The spelling of 231110122200023 in words is "two hundred thirty-one trillion, one hundred ten billion, one hundred twenty-two million, two hundred thousand, twenty-three".

Divisors: 1 11 21010011109093 231110122200023