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2312122443223 = 18391912571417
BaseRepresentation
bin100001101001010101001…
…111001010010111010111
322012000222210021210120211
4201221111033022113113
5300340211321140343
64530101400110251
7326021356332445
oct41512517122727
98160883253524
102312122443223
1181162492a0aa
12314131165387
1313a0559c87b8
147dc9b9a3b95
1540224a4679d
hex21a553ca5d7

2312122443223 has 4 divisors (see below), whose sum is σ = 2312135198560. Its totient is φ = 2312109687888.

The previous prime is 2312122443209. The next prime is 2312122443229. The reversal of 2312122443223 is 3223442212132.

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 2312122443223 - 233 = 2303532508631 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 (2312122443229) 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, 6101790 + ... + 6469627.

It is an arithmetic number, because the mean of its divisors is an integer number (578033799640).

Almost surely, 22312122443223 is an apocalyptic number.

2312122443223 is a deficient number, since it is larger than the sum of its proper divisors (12755337).

2312122443223 is a wasteful number, since it uses less digits than its factorization.

2312122443223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755336.

The product of its digits is 27648, while the sum is 31.

Adding to 2312122443223 its reverse (3223442212132), we get a palindrome (5535564655355).

The spelling of 2312122443223 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, four hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 183919 12571417 2312122443223