1235432345321 has 2 divisors, whose sum is σ = 1235432345322. Its totient is φ = 1235432345320.

The previous prime is 1235432345297. The next prime is 1235432345333.

1235432345321 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1235254416400 + 177928921 = 1111420^2 + 13339^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1235432345321 - 2¹⁴ = 1235432328937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1235432345821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617716172660 + 617716172661.

It is an arithmetic number, because the mean of its divisors is an integer number (617716172661).

Almost surely, 2^{1235432345321} is an apocalyptic number.

It is an amenable number.

1235432345321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235432345321 is an equidigital number, since it uses as much as digits as its factorization.

1235432345321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 38.

The spelling of 1235432345321 in words is "one trillion, two hundred thirty-five billion, four hundred thirty-two million, three hundred forty-five thousand, three hundred twenty-one".