23420130193 has 2 divisors, whose sum is σ = 23420130194. Its totient is φ = 23420130192.

The previous prime is 23420130143. The next prime is 23420130199. The reversal of 23420130193 is 39103102432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12601634049 + 10818496144 = 112257^2 + 104012^2 .

It is a cyclic number.

It is not a de Polignac number, because 23420130193 - 2¹⁷ = 23419999121 is a prime.

It is not a weakly prime, because it can be changed into another prime (23420130199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710065096 + 11710065097.

It is an arithmetic number, because the mean of its divisors is an integer number (11710065097).

Almost surely, 2^23420130193 is an apocalyptic number.

It is an amenable number.

23420130193 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420130193 is an equidigital number, since it uses as much as digits as its factorization.

23420130193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 23420130193 in words is "twenty-three billion, four hundred twenty million, one hundred thirty thousand, one hundred ninety-three".