23531125444213 has 2 divisors, whose sum is σ = 23531125444214. Its totient is φ = 23531125444212.

The previous prime is 23531125444147. The next prime is 23531125444217. The reversal of 23531125444213 is 31244452113532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23518251591844 + 12873852369 = 4849562^2 + 113463^2 .

It is a cyclic number.

It is not a de Polignac number, because 23531125444213 - 2³³ = 23522535509621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23531125444217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765562722106 + 11765562722107.

It is an arithmetic number, because the mean of its divisors is an integer number (11765562722107).

Almost surely, 2^{23531125444213} is an apocalyptic number.

It is an amenable number.

23531125444213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23531125444213 is an equidigital number, since it uses as much as digits as its factorization.

23531125444213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

Adding to 23531125444213 its reverse (31244452113532), we get a palindrome (54775577557745).

The spelling of 23531125444213 in words is "twenty-three trillion, five hundred thirty-one billion, one hundred twenty-five million, four hundred forty-four thousand, two hundred thirteen".