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12023233 = 17707249
BaseRepresentation
bin101101110111…
…010111000001
3211121211202221
4231313113001
511034220413
61105411041
7204124105
oct55672701
924554687
1012023233
116872262
124039a81
13264c751
14184d905
1510c768d
hexb775c1

12023233 has 4 divisors (see below), whose sum is σ = 12730500. Its totient is φ = 11315968.

The previous prime is 12023191. The next prime is 12023239. The reversal of 12023233 is 33232021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33232021 = 73345337.

It can be written as a sum of positive squares in 2 ways, for example, as 8363664 + 3659569 = 2892^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023233 - 213 = 12015041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023239) 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, 353608 + ... + 353641.

It is an arithmetic number, because the mean of its divisors is an integer number (3182625).

Almost surely, 212023233 is an apocalyptic number.

It is an amenable number.

12023233 is a deficient number, since it is larger than the sum of its proper divisors (707267).

12023233 is an equidigital number, since it uses as much as digits as its factorization.

12023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707266.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 12023233 is about 3467.4533882952. The cubic root of 12023233 is about 229.0905040716.

Adding to 12023233 its reverse (33232021), we get a palindrome (45255254).

The spelling of 12023233 in words is "twelve million, twenty-three thousand, two hundred thirty-three".

Divisors: 1 17 707249 12023233