23322221977 has 2 divisors, whose sum is σ = 23322221978. Its totient is φ = 23322221976.

The previous prime is 23322221963. The next prime is 23322222023. The reversal of 23322221977 is 77912222332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18620239936 + 4701982041 = 136456^2 + 68571^2 .

It is a cyclic number.

It is not a de Polignac number, because 23322221977 - 2⁷ = 23322221849 is a prime.

It is not a weakly prime, because it can be changed into another prime (23322221677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661110988 + 11661110989.

It is an arithmetic number, because the mean of its divisors is an integer number (11661110989).

Almost surely, 2^23322221977 is an apocalyptic number.

It is an amenable number.

23322221977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23322221977 is an equidigital number, since it uses as much as digits as its factorization.

23322221977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The spelling of 23322221977 in words is "twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, nine hundred seventy-seven".