1233223102009 has 2 divisors, whose sum is σ = 1233223102010. Its totient is φ = 1233223102008.

The previous prime is 1233223101973. The next prime is 1233223102079. The reversal of 1233223102009 is 9002013223321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927856342009 + 305366760000 = 963253^2 + 552600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233223102009 - 2⁹ = 1233223101497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233223102079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616611551004 + 616611551005.

It is an arithmetic number, because the mean of its divisors is an integer number (616611551005).

Almost surely, 2^{1233223102009} is an apocalyptic number.

It is an amenable number.

1233223102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233223102009 is an equidigital number, since it uses as much as digits as its factorization.

1233223102009 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1233223102009 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-three million, one hundred two thousand, nine".