22023423577 has 2 divisors, whose sum is σ = 22023423578. Its totient is φ = 22023423576.

The previous prime is 22023423557. The next prime is 22023423601. The reversal of 22023423577 is 77532432022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21215670336 + 807753241 = 145656^2 + 28421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22023423577 is a prime.

It is not a weakly prime, because it can be changed into another prime (22023423557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011711788 + 11011711789.

It is an arithmetic number, because the mean of its divisors is an integer number (11011711789).

Almost surely, 2^22023423577 is an apocalyptic number.

It is an amenable number.

22023423577 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023423577 is an equidigital number, since it uses as much as digits as its factorization.

22023423577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 37.

Adding to 22023423577 its reverse (77532432022), we get a palindrome (99555855599).

The spelling of 22023423577 in words is "twenty-two billion, twenty-three million, four hundred twenty-three thousand, five hundred seventy-seven".