Search a number
-
+
230723237 is a prime number
BaseRepresentation
bin11011100000010…
…00111010100101
3121002010221210002
431300020322211
5433031120422
634521111045
75501054333
oct1560107245
9532127702
10230723237
11109267868
1265328485
1338a53534
14228dcb53
15153c7692
hexdc08ea5

230723237 has 2 divisors, whose sum is σ = 230723238. Its totient is φ = 230723236.

The previous prime is 230723179. The next prime is 230723239. The reversal of 230723237 is 732327032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229643716 + 1079521 = 15154^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 230723237 - 222 = 226528933 is a prime.

Together with 230723239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230723239) 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, 115361618 + 115361619.

It is an arithmetic number, because the mean of its divisors is an integer number (115361619).

Almost surely, 2230723237 is an apocalyptic number.

It is an amenable number.

230723237 is a deficient number, since it is larger than the sum of its proper divisors (1).

230723237 is an equidigital number, since it uses as much as digits as its factorization.

230723237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 230723237 is about 15189.5765905439. The cubic root of 230723237 is about 613.3341012580.

The spelling of 230723237 in words is "two hundred thirty million, seven hundred twenty-three thousand, two hundred thirty-seven".