1232003528989 has 2 divisors, whose sum is σ = 1232003528990. Its totient is φ = 1232003528988.

The previous prime is 1232003528971. The next prime is 1232003529091. The reversal of 1232003528989 is 9898253002321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223862076089 + 8141452900 = 1106283^2 + 90230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232003528989 - 2⁹ = 1232003528477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232003528389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616001764494 + 616001764495.

It is an arithmetic number, because the mean of its divisors is an integer number (616001764495).

Almost surely, 2^{1232003528989} is an apocalyptic number.

It is an amenable number.

1232003528989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232003528989 is an equidigital number, since it uses as much as digits as its factorization.

1232003528989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 1232003528989 in words is "one trillion, two hundred thirty-two billion, three million, five hundred twenty-eight thousand, nine hundred eighty-nine".