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11211323 = 13980657
BaseRepresentation
bin101010110001…
…001000111011
3210002121001012
4222301020323
510332230243
61040144135
7164203034
oct52611073
923077035
1011211323
116368262
12390804b
132427026
1416bba8b
15eb6d18
hexab123b

11211323 has 4 divisors (see below), whose sum is σ = 11292120. Its totient is φ = 11130528.

The previous prime is 11211293. The next prime is 11211331. The reversal of 11211323 is 32311211.

11211323 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 an emirpimes, since its reverse is a distinct semiprime: 32311211 = 50364237.

It is a cyclic number.

It is not a de Polignac number, because 11211323 - 216 = 11145787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211298 and 11211307.

It is not an unprimeable number, because it can be changed into a prime (11211383) 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, 40190 + ... + 40467.

It is an arithmetic number, because the mean of its divisors is an integer number (2823030).

Almost surely, 211211323 is an apocalyptic number.

11211323 is a deficient number, since it is larger than the sum of its proper divisors (80797).

11211323 is an equidigital number, since it uses as much as digits as its factorization.

11211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80796.

The product of its digits is 36, while the sum is 14.

The square root of 11211323 is about 3348.3313754764. The cubic root of 11211323 is about 223.8131613247.

Adding to 11211323 its reverse (32311211), we get a palindrome (43522534).

The spelling of 11211323 in words is "eleven million, two hundred eleven thousand, three hundred twenty-three".

Divisors: 1 139 80657 11211323