229623013 has 4 divisors (see below), whose sum is σ = 229790668. Its totient is φ = 229455360.

The previous prime is 229622993. The next prime is 229623041. The reversal of 229623013 is 310326922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310326922 = 2 ⋅155163461.

It can be written as a sum of positive squares in 2 ways, for example, as 102880449 + 126742564 = 10143^2 + 11258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229623013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229621013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81756 + ... + 84517.

It is an arithmetic number, because the mean of its divisors is an integer number (57447667).

Almost surely, 2^229623013 is an apocalyptic number.

It is an amenable number.

229623013 is a deficient number, since it is larger than the sum of its proper divisors (167655).

229623013 is a wasteful number, since it uses less digits than its factorization.

229623013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167654.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 229623013 is about 15153.3168976300. The cubic root of 229623013 is about 612.3576349950.

Adding to 229623013 its reverse (310326922), we get a palindrome (539949935).

The spelling of 229623013 in words is "two hundred twenty-nine million, six hundred twenty-three thousand, thirteen".