23213240833 has 2 divisors, whose sum is σ = 23213240834. Its totient is φ = 23213240832.

The previous prime is 23213240783. The next prime is 23213240839. The reversal of 23213240833 is 33804231232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22131620289 + 1081620544 = 148767^2 + 32888^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213240833 - 2⁹ = 23213240321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23213240795 and 23213240804.

It is not a weakly prime, because it can be changed into another prime (23213240839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606620416 + 11606620417.

It is an arithmetic number, because the mean of its divisors is an integer number (11606620417).

Almost surely, 2^23213240833 is an apocalyptic number.

It is an amenable number.

23213240833 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213240833 is an equidigital number, since it uses as much as digits as its factorization.

23213240833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 23213240833 in words is "twenty-three billion, two hundred thirteen million, two hundred forty thousand, eight hundred thirty-three".