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2323144221 = 3774381407
BaseRepresentation
bin1000101001111000…
…0101111000011101
312222220101221202120
42022132011320131
514224211103341
61022305013153
7111366254136
oct21236057035
95886357676
102323144221
11a92399702
1254a0241b9
132b03b9768
14180774c8d
15d8e44066
hex8a785e1d

2323144221 has 4 divisors (see below), whose sum is σ = 3097525632. Its totient is φ = 1548762812.

The previous prime is 2323144183. The next prime is 2323144237. The reversal of 2323144221 is 1224413232.

It is a happy number.

2323144221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2323144221 - 218 = 2322882077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2323144191 and 2323144200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323144261) 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, 387190701 + ... + 387190706.

It is an arithmetic number, because the mean of its divisors is an integer number (774381408).

Almost surely, 22323144221 is an apocalyptic number.

It is an amenable number.

2323144221 is a deficient number, since it is larger than the sum of its proper divisors (774381411).

2323144221 is an equidigital number, since it uses as much as digits as its factorization.

2323144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774381410.

The product of its digits is 2304, while the sum is 24.

The square root of 2323144221 is about 48199.0064316683. The cubic root of 2323144221 is about 1324.4189636593.

Adding to 2323144221 its reverse (1224413232), we get a palindrome (3547557453).

The spelling of 2323144221 in words is "two billion, three hundred twenty-three million, one hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 3 774381407 2323144221