23131123343333 has 2 divisors, whose sum is σ = 23131123343334. Its totient is φ = 23131123343332.

The previous prime is 23131123343329. The next prime is 23131123343347. The reversal of 23131123343333 is 33334332113132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23131117108324 + 6235009 = 4809482^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131123343333 - 2² = 23131123343329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23131123343293 and 23131123343302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23151123343333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565561671666 + 11565561671667.

It is an arithmetic number, because the mean of its divisors is an integer number (11565561671667).

Almost surely, 2^{23131123343333} is an apocalyptic number.

It is an amenable number.

23131123343333 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131123343333 is an equidigital number, since it uses as much as digits as its factorization.

23131123343333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 35.

Adding to 23131123343333 its reverse (33334332113132), we get a palindrome (56465455456465).

The spelling of 23131123343333 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-three million, three hundred forty-three thousand, three hundred thirty-three".