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232123012221 = 3131590643797
BaseRepresentation
bin1101100000101110011…
…1000001010001111101
3211012011001101210010210
43120023213001101331
512300341442342341
6254345201423033
722525140022602
oct3301347012175
9735131353123
10232123012221
118a496430791
1238ba163aa79
1318b7349b609
14b3404866a9
15608865dc16
hex360b9c147d

232123012221 has 8 divisors (see below), whose sum is σ = 311859925344. Its totient is φ = 153567386960.

The previous prime is 232123012213. The next prime is 232123012223. The reversal of 232123012221 is 122210321232.

232123012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232123012221 - 23 = 232123012213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232123012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295321506 + ... + 295322291.

It is an arithmetic number, because the mean of its divisors is an integer number (38982490668).

Almost surely, 2232123012221 is an apocalyptic number.

It is an amenable number.

232123012221 is a deficient number, since it is larger than the sum of its proper divisors (79736913123).

232123012221 is a wasteful number, since it uses less digits than its factorization.

232123012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590643931.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 232123012221 its reverse (122210321232), we get a palindrome (354333333453).

The spelling of 232123012221 in words is "two hundred thirty-two billion, one hundred twenty-three million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 131 393 590643797 1771931391 77374337407 232123012221