23620223222209 has 2 divisors, whose sum is σ = 23620223222210. Its totient is φ = 23620223222208.

The previous prime is 23620223222201. The next prime is 23620223222273. The reversal of 23620223222209 is 90222232202632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15021089247025 + 8599133975184 = 3875705^2 + 2932428^2 .

It is a cyclic number.

It is not a de Polignac number, because 23620223222209 - 2³ = 23620223222201 is a prime.

It is not a weakly prime, because it can be changed into another prime (23620223222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11810111611104 + 11810111611105.

It is an arithmetic number, because the mean of its divisors is an integer number (11810111611105).

Almost surely, 2^{23620223222209} is an apocalyptic number.

It is an amenable number.

23620223222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23620223222209 is an equidigital number, since it uses as much as digits as its factorization.

23620223222209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 23620223222209 in words is "twenty-three trillion, six hundred twenty billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred nine".