23423430013 has 2 divisors, whose sum is σ = 23423430014. Its totient is φ = 23423430012.

The previous prime is 23423429993. The next prime is 23423430047. The reversal of 23423430013 is 31003432432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22813685764 + 609744249 = 151042^2 + 24693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23423430013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23423430013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23423430053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711715006 + 11711715007.

It is an arithmetic number, because the mean of its divisors is an integer number (11711715007).

Almost surely, 2^23423430013 is an apocalyptic number.

It is an amenable number.

23423430013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423430013 is an equidigital number, since it uses as much as digits as its factorization.

23423430013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 23423430013 its reverse (31003432432), we get a palindrome (54426862445).

The spelling of 23423430013 in words is "twenty-three billion, four hundred twenty-three million, four hundred thirty thousand, thirteen".