11230420343 has 2 divisors, whose sum is σ = 11230420344. Its totient is φ = 11230420342.

The previous prime is 11230420339. The next prime is 11230420367. The reversal of 11230420343 is 34302403211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11230420343 - 2² = 11230420339 is a prime.

It is a super-2 number, since 2×11230420343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230423343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615210171 + 5615210172.

It is an arithmetic number, because the mean of its divisors is an integer number (5615210172).

Almost surely, 2^11230420343 is an apocalyptic number.

11230420343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230420343 is an equidigital number, since it uses as much as digits as its factorization.

11230420343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11230420343 its reverse (34302403211), we get a palindrome (45532823554).

The spelling of 11230420343 in words is "eleven billion, two hundred thirty million, four hundred twenty thousand, three hundred forty-three".