23213031010033 has 2 divisors, whose sum is σ = 23213031010034. Its totient is φ = 23213031010032.

The previous prime is 23213031010007. The next prime is 23213031010087. The reversal of 23213031010033 is 33001013031232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18921951903969 + 4291079106064 = 4349937^2 + 2071492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23213031010033 is a prime.

It is a super-2 number, since 2×23213031010033² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23213031009986 and 23213031010013.

It is not a weakly prime, because it can be changed into another prime (23213031010933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606515505016 + 11606515505017.

It is an arithmetic number, because the mean of its divisors is an integer number (11606515505017).

Almost surely, 2^{23213031010033} is an apocalyptic number.

It is an amenable number.

23213031010033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213031010033 is an equidigital number, since it uses as much as digits as its factorization.

23213031010033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23213031010033 its reverse (33001013031232), we get a palindrome (56214044041265).

The spelling of 23213031010033 in words is "twenty-three trillion, two hundred thirteen billion, thirty-one million, ten thousand, thirty-three".