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23227331 is a prime number
BaseRepresentation
bin101100010011…
…0101111000011
31121201001220112
41120212233003
521421233311
62145501535
7401300111
oct130465703
947631815
1023227331
1112125046
1279418ab
134a733aa
143128ab1
15208c28b
hex1626bc3

23227331 has 2 divisors, whose sum is σ = 23227332. Its totient is φ = 23227330.

The previous prime is 23227327. The next prime is 23227349. The reversal of 23227331 is 13372232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23227331 - 22 = 23227327 is a prime.

It is a super-2 number, since 2×232273312 = 1079017810767122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23227297 and 23227306.

It is not a weakly prime, because it can be changed into another prime (23227381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11613665 + 11613666.

It is an arithmetic number, because the mean of its divisors is an integer number (11613666).

Almost surely, 223227331 is an apocalyptic number.

23227331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23227331 is an equidigital number, since it uses as much as digits as its factorization.

23227331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 23.

The square root of 23227331 is about 4819.4741414391. The cubic root of 23227331 is about 285.3205831360.

Adding to 23227331 its reverse (13372232), we get a palindrome (36599563).

The spelling of 23227331 in words is "twenty-three million, two hundred twenty-seven thousand, three hundred thirty-one".