Search a number
-
+
23230147 is a prime number
BaseRepresentation
bin101100010011…
…1011011000011
31121201012202211
41120213123003
521421331042
62145522551
7401311243
oct130473303
947635684
1023230147
1112127176
127943457
134a74765
143129b23
15208d017
hex16276c3

23230147 has 2 divisors, whose sum is σ = 23230148. Its totient is φ = 23230146.

The previous prime is 23230139. The next prime is 23230169. The reversal of 23230147 is 74103232.

It is an a-pointer prime, because the next prime (23230169) can be obtained adding 23230147 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23230147 - 23 = 23230139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23230127) 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, 11615073 + 11615074.

It is an arithmetic number, because the mean of its divisors is an integer number (11615074).

Almost surely, 223230147 is an apocalyptic number.

23230147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230147 is an equidigital number, since it uses as much as digits as its factorization.

23230147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23230147 is about 4819.7662806406. The cubic root of 23230147 is about 285.3321130918.

Adding to 23230147 its reverse (74103232), we get a palindrome (97333379).

The spelling of 23230147 in words is "twenty-three million, two hundred thirty thousand, one hundred forty-seven".