229616623 has 2 divisors, whose sum is σ = 229616624. Its totient is φ = 229616622.

The previous prime is 229616593. The next prime is 229616663. The reversal of 229616623 is 326616922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229616623 - 2⁵ = 229616591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229616663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114808311 + 114808312.

It is an arithmetic number, because the mean of its divisors is an integer number (114808312).

Almost surely, 2^229616623 is an apocalyptic number.

229616623 is a deficient number, since it is larger than the sum of its proper divisors (1).

229616623 is an equidigital number, since it uses as much as digits as its factorization.

229616623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 229616623 is about 15153.1060512358. The cubic root of 229616623 is about 612.3519546678.

It can be divided in two parts, 22961 and 6623, that added together give a square (29584 = 172²).

The spelling of 229616623 in words is "two hundred twenty-nine million, six hundred sixteen thousand, six hundred twenty-three".