23133331229 has 2 divisors, whose sum is σ = 23133331230. Its totient is φ = 23133331228.

The previous prime is 23133331189. The next prime is 23133331237. The reversal of 23133331229 is 92213333132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16434727204 + 6698604025 = 128198^2 + 81845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23133331229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23133331195 and 23133331204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133333229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566665614 + 11566665615.

It is an arithmetic number, because the mean of its divisors is an integer number (11566665615).

Almost surely, 2^23133331229 is an apocalyptic number.

It is an amenable number.

23133331229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133331229 is an equidigital number, since it uses as much as digits as its factorization.

23133331229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

The spelling of 23133331229 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-nine".