23220510011 has 2 divisors, whose sum is σ = 23220510012. Its totient is φ = 23220510010.

The previous prime is 23220509981. The next prime is 23220510013. The reversal of 23220510011 is 11001502232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23220510011 - 2¹⁴ = 23220493627 is a prime.

Together with 23220510013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23220510013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610255005 + 11610255006.

It is an arithmetic number, because the mean of its divisors is an integer number (11610255006).

Almost surely, 2^23220510011 is an apocalyptic number.

23220510011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220510011 is an equidigital number, since it uses as much as digits as its factorization.

23220510011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The spelling of 23220510011 in words is "twenty-three billion, two hundred twenty million, five hundred ten thousand, eleven".