10135423321 has 2 divisors, whose sum is σ = 10135423322. Its totient is φ = 10135423320.

The previous prime is 10135423313. The next prime is 10135423351. The reversal of 10135423321 is 12332453101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7715865600 + 2419557721 = 87840^2 + 49189^2 .

It is a cyclic number.

It is not a de Polignac number, because 10135423321 - 2³ = 10135423313 is a prime.

It is not a weakly prime, because it can be changed into another prime (10135423351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067711660 + 5067711661.

It is an arithmetic number, because the mean of its divisors is an integer number (5067711661).

Almost surely, 2^10135423321 is an apocalyptic number.

It is an amenable number.

10135423321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10135423321 is an equidigital number, since it uses as much as digits as its factorization.

10135423321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10135423321 its reverse (12332453101), we get a palindrome (22467876422).

The spelling of 10135423321 in words is "ten billion, one hundred thirty-five million, four hundred twenty-three thousand, three hundred twenty-one".