1232031439789 has 2 divisors, whose sum is σ = 1232031439790. Its totient is φ = 1232031439788.

The previous prime is 1232031439733. The next prime is 1232031439813. The reversal of 1232031439789 is 9879341302321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864449938564 + 367581501225 = 929758^2 + 606285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232031439789 - 2²⁵ = 1231997885357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232031439589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616015719894 + 616015719895.

It is an arithmetic number, because the mean of its divisors is an integer number (616015719895).

Almost surely, 2^{1232031439789} is an apocalyptic number.

It is an amenable number.

1232031439789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232031439789 is an equidigital number, since it uses as much as digits as its factorization.

1232031439789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 1232031439789 in words is "one trillion, two hundred thirty-two billion, thirty-one million, four hundred thirty-nine thousand, seven hundred eighty-nine".