Search a number
-
+
230653543 is a prime number
BaseRepresentation
bin11011011111101…
…11111001100111
3121002000102011211
431233313321213
5433021403133
634515412251
75500344211
oct1557677147
9532012154
10230653543
1110921a46a
12652b4087
1338a2a8b3
14228c15b1
15153b1bcd
hexdbf7e67

230653543 has 2 divisors, whose sum is σ = 230653544. Its totient is φ = 230653542.

The previous prime is 230653541. The next prime is 230653573. The reversal of 230653543 is 345356032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230653543 - 21 = 230653541 is a prime.

Together with 230653541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230653541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115326771 + 115326772.

It is an arithmetic number, because the mean of its divisors is an integer number (115326772).

Almost surely, 2230653543 is an apocalyptic number.

230653543 is a deficient number, since it is larger than the sum of its proper divisors (1).

230653543 is an equidigital number, since it uses as much as digits as its factorization.

230653543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 230653543 is about 15187.2822782748. The cubic root of 230653543 is about 613.2723389316.

The spelling of 230653543 in words is "two hundred thirty million, six hundred fifty-three thousand, five hundred forty-three".