1232330001989 has 4 divisors (see below), whose sum is σ = 1304820002124. Its totient is φ = 1159840001856.

The previous prime is 1232330001983. The next prime is 1232330002063. The reversal of 1232330001989 is 9891000332321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 637554340900 + 594775661089 = 798470^2 + 771217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232330001989 - 2⁸ = 1232330001733 is a prime.

It is a super-2 number, since 2×1232330001989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232330001983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36245000042 + ... + 36245000075.

It is an arithmetic number, because the mean of its divisors is an integer number (326205000531).

Almost surely, 2^{1232330001989} is an apocalyptic number.

It is an amenable number.

1232330001989 is a deficient number, since it is larger than the sum of its proper divisors (72490000135).

1232330001989 is an equidigital number, since it uses as much as digits as its factorization.

1232330001989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72490000134.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 1232330001989 in words is "one trillion, two hundred thirty-two billion, three hundred thirty million, one thousand, nine hundred eighty-nine".