63223129 has 2 divisors, whose sum is σ = 63223130. Its totient is φ = 63223128.

The previous prime is 63223123. The next prime is 63223141. The reversal of 63223129 is 92132236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32752729 + 30470400 = 5723^2 + 5520^2 .

It is a cyclic number.

It is not a de Polignac number, because 63223129 - 2⁷ = 63223001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63223097 and 63223106.

It is not a weakly prime, because it can be changed into another prime (63223123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31611564 + 31611565.

It is an arithmetic number, because the mean of its divisors is an integer number (31611565).

Almost surely, 2^63223129 is an apocalyptic number.

It is an amenable number.

63223129 is a deficient number, since it is larger than the sum of its proper divisors (1).

63223129 is an equidigital number, since it uses as much as digits as its factorization.

63223129 is an evil number, because the sum of its binary digits is even.

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

The square root of 63223129 is about 7951.2973155329. The cubic root of 63223129 is about 398.3749255232.

The spelling of 63223129 in words is "sixty-three million, two hundred twenty-three thousand, one hundred twenty-nine".