Search a number
-
+
23713229 is a prime number
BaseRepresentation
bin101101001110…
…1010111001101
31122121202102202
41122131113031
522032310404
62204131245
7405362531
oct132352715
948552382
1023713229
1112427111
127b36b25
134bb35c7
143213bc1
15213621e
hex169d5cd

23713229 has 2 divisors, whose sum is σ = 23713230. Its totient is φ = 23713228.

The previous prime is 23713199. The next prime is 23713231. The reversal of 23713229 is 92231732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22944100 + 769129 = 4790^2 + 877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23713229 is a prime.

Together with 23713231, 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 (23713259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11856614 + 11856615.

It is an arithmetic number, because the mean of its divisors is an integer number (11856615).

Almost surely, 223713229 is an apocalyptic number.

It is an amenable number.

23713229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23713229 is an equidigital number, since it uses as much as digits as its factorization.

23713229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 23713229 is about 4869.6230860304. The cubic root of 23713229 is about 287.2964315719.

The spelling of 23713229 in words is "twenty-three million, seven hundred thirteen thousand, two hundred twenty-nine".