23401434013 has 2 divisors, whose sum is σ = 23401434014. Its totient is φ = 23401434012.

The previous prime is 23401434011. The next prime is 23401434047. The reversal of 23401434013 is 31043410432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23275163844 + 126270169 = 152562^2 + 11237^2 .

It is a cyclic number.

It is not a de Polignac number, because 23401434013 - 2¹ = 23401434011 is a prime.

It is a super-2 number, since 2×23401434013² (a number of 22 digits) contains 22 as substring.

Together with 23401434011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401434011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700717006 + 11700717007.

It is an arithmetic number, because the mean of its divisors is an integer number (11700717007).

Almost surely, 2^23401434013 is an apocalyptic number.

It is an amenable number.

23401434013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401434013 is an equidigital number, since it uses as much as digits as its factorization.

23401434013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23401434013 its reverse (31043410432), we get a palindrome (54444844445).

The spelling of 23401434013 in words is "twenty-three billion, four hundred one million, four hundred thirty-four thousand, thirteen".