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230820043 is a prime number
BaseRepresentation
bin11011100001000…
…00100011001011
3121002022212120111
431300200203023
5433042220133
634523135151
75501636506
oct1560404313
9532285514
10230820043
11109323573
12653744b7
1338a8860c
142292613d
15153e61cd
hexdc208cb

230820043 has 2 divisors, whose sum is σ = 230820044. Its totient is φ = 230820042.

The previous prime is 230819989. The next prime is 230820053. The reversal of 230820043 is 340028032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230820043 - 29 = 230819531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230819996 and 230820023.

It is not a weakly prime, because it can be changed into another prime (230820053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115410021 + 115410022.

It is an arithmetic number, because the mean of its divisors is an integer number (115410022).

Almost surely, 2230820043 is an apocalyptic number.

230820043 is a deficient number, since it is larger than the sum of its proper divisors (1).

230820043 is an equidigital number, since it uses as much as digits as its factorization.

230820043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 230820043 is about 15192.7628494622. The cubic root of 230820043 is about 613.4198694127.

Adding to 230820043 its reverse (340028032), we get a palindrome (570848075).

The spelling of 230820043 in words is "two hundred thirty million, eight hundred twenty thousand, forty-three".