23553142213 has 2 divisors, whose sum is σ = 23553142214. Its totient is φ = 23553142212.

The previous prime is 23553142189. The next prime is 23553142229. The reversal of 23553142213 is 31224135532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18574146369 + 4978995844 = 136287^2 + 70562^2 .

It is a cyclic number.

It is not a de Polignac number, because 23553142213 - 2⁵ = 23553142181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23553142513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11776571106 + 11776571107.

It is an arithmetic number, because the mean of its divisors is an integer number (11776571107).

Almost surely, 2^23553142213 is an apocalyptic number.

It is an amenable number.

23553142213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23553142213 is an equidigital number, since it uses as much as digits as its factorization.

23553142213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

Adding to 23553142213 its reverse (31224135532), we get a palindrome (54777277745).

The spelling of 23553142213 in words is "twenty-three billion, five hundred fifty-three million, one hundred forty-two thousand, two hundred thirteen".