1235342435321 has 4 divisors (see below), whose sum is σ = 1247573548644. Its totient is φ = 1223111322000.

The previous prime is 1235342435311. The next prime is 1235342435323.

1235342435321 is nontrivially palindromic in base 10.

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 1060776403600 + 174566031721 = 1029940^2 + 417811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235342435321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235342435323) 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, 6115556510 + ... + 6115556711.

It is an arithmetic number, because the mean of its divisors is an integer number (311893387161).

Almost surely, 2^{1235342435321} is an apocalyptic number.

It is an amenable number.

1235342435321 is a deficient number, since it is larger than the sum of its proper divisors (12231113323).

1235342435321 is a wasteful number, since it uses less digits than its factorization.

1235342435321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231113322.

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

The spelling of 1235342435321 in words is "one trillion, two hundred thirty-five billion, three hundred forty-two million, four hundred thirty-five thousand, three hundred twenty-one".