23218650011 has 2 divisors, whose sum is σ = 23218650012. Its totient is φ = 23218650010.

The previous prime is 23218649977. The next prime is 23218650073. The reversal of 23218650011 is 11005681232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23218650011 - 2⁶ = 23218649947 is a prime.

It is not a weakly prime, because it can be changed into another prime (23218620011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11609325005 + 11609325006.

It is an arithmetic number, because the mean of its divisors is an integer number (11609325006).

Almost surely, 2^23218650011 is an apocalyptic number.

23218650011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23218650011 is an equidigital number, since it uses as much as digits as its factorization.

23218650011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 23218650011 in words is "twenty-three billion, two hundred eighteen million, six hundred fifty thousand, eleven".