1223329663 has 2 divisors, whose sum is σ = 1223329664. Its totient is φ = 1223329662.

The previous prime is 1223329643. The next prime is 1223329691. The reversal of 1223329663 is 3669233221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223329663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223329603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611664831 + 611664832.

It is an arithmetic number, because the mean of its divisors is an integer number (611664832).

Almost surely, 2^1223329663 is an apocalyptic number.

1223329663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223329663 is an equidigital number, since it uses as much as digits as its factorization.

1223329663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 1223329663 is about 34976.1299031211. The cubic root of 1223329663 is about 1069.5009356348.

The spelling of 1223329663 in words is "one billion, two hundred twenty-three million, three hundred twenty-nine thousand, six hundred sixty-three".