1023663229 has 2 divisors, whose sum is σ = 1023663230. Its totient is φ = 1023663228.

The previous prime is 1023663197. The next prime is 1023663233. The reversal of 1023663229 is 9223663201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900120004 + 123543225 = 30002^2 + 11115^2 .

It is an emirp because it is prime and its reverse (9223663201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023663229 - 2⁵ = 1023663197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023663194 and 1023663203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023663239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511831614 + 511831615.

It is an arithmetic number, because the mean of its divisors is an integer number (511831615).

Almost surely, 2^1023663229 is an apocalyptic number.

It is an amenable number.

1023663229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023663229 is an equidigital number, since it uses as much as digits as its factorization.

1023663229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1023663229 is about 31994.7375204111. The cubic root of 1023663229 is about 1007.8263317401.

The spelling of 1023663229 in words is "one billion, twenty-three million, six hundred sixty-three thousand, two hundred twenty-nine".