11421234353 has 2 divisors, whose sum is σ = 11421234354. Its totient is φ = 11421234352.

The previous prime is 11421234347. The next prime is 11421234367. The reversal of 11421234353 is 35343212411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6180632689 + 5240601664 = 78617^2 + 72392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11421234353 is a prime.

It is a super-2 number, since 2×11421234353² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11421234653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710617176 + 5710617177.

It is an arithmetic number, because the mean of its divisors is an integer number (5710617177).

Almost surely, 2^11421234353 is an apocalyptic number.

It is an amenable number.

11421234353 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421234353 is an equidigital number, since it uses as much as digits as its factorization.

11421234353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 11421234353 its reverse (35343212411), we get a palindrome (46764446764).

The spelling of 11421234353 in words is "eleven billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred fifty-three".