229723313 has 2 divisors, whose sum is σ = 229723314. Its totient is φ = 229723312.

The previous prime is 229723309. The next prime is 229723367. The reversal of 229723313 is 313327922.

229723313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 74770609 = 12448^2 + 8647^2 .

It is a cyclic number.

It is not a de Polignac number, because 229723313 - 2² = 229723309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229723313.

It is not a weakly prime, because it can be changed into another prime (229723513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114861656 + 114861657.

It is an arithmetic number, because the mean of its divisors is an integer number (114861657).

Almost surely, 2^229723313 is an apocalyptic number.

It is an amenable number.

229723313 is a deficient number, since it is larger than the sum of its proper divisors (1).

229723313 is an equidigital number, since it uses as much as digits as its factorization.

229723313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 229723313 is about 15156.6260427577. The cubic root of 229723313 is about 612.4467818818.

The spelling of 229723313 in words is "two hundred twenty-nine million, seven hundred twenty-three thousand, three hundred thirteen".