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232023321 = 3261974357
BaseRepresentation
bin11011101010001…
…10010100011001
3121011121000011100
431311012110121
5433344221241
635005022013
75515110555
oct1565062431
9534530140
10232023321
11109a75612
1265854909
13390ba20a
1422b5a865
15155829b6
hexdd46519

232023321 has 24 divisors (see below), whose sum is σ = 344229704. Its totient is φ = 150543360.

The previous prime is 232023317. The next prime is 232023331. The reversal of 232023321 is 123320232.

It is a happy number.

232023321 is a `hidden beast` number, since 2 + 320 + 23 + 321 = 666.

232023321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42575625 + 189447696 = 6525^2 + 13764^2 .

It is not a de Polignac number, because 232023321 - 22 = 232023317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232023294 and 232023303.

It is not an unprimeable number, because it can be changed into a prime (232023301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51075 + ... + 55431.

Almost surely, 2232023321 is an apocalyptic number.

It is an amenable number.

232023321 is a deficient number, since it is larger than the sum of its proper divisors (112206383).

232023321 is a wasteful number, since it uses less digits than its factorization.

232023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232023321 is about 15232.3117418204. The cubic root of 232023321 is about 614.4839533843.

Adding to 232023321 its reverse (123320232), we get a palindrome (355343553).

The spelling of 232023321 in words is "two hundred thirty-two million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 3 9 61 97 183 291 549 873 4357 5917 13071 17751 39213 53253 265777 422629 797331 1267887 2391993 3803661 25780369 77341107 232023321