23533359977 has 2 divisors, whose sum is σ = 23533359978. Its totient is φ = 23533359976.

The previous prime is 23533359961. The next prime is 23533360001. The reversal of 23533359977 is 77995333532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23440834816 + 92525161 = 153104^2 + 9619^2 .

It is a cyclic number.

It is not a de Polignac number, because 23533359977 - 2⁴ = 23533359961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23533359917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11766679988 + 11766679989.

It is an arithmetic number, because the mean of its divisors is an integer number (11766679989).

Almost surely, 2^23533359977 is an apocalyptic number.

It is an amenable number.

23533359977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23533359977 is an equidigital number, since it uses as much as digits as its factorization.

23533359977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16074450, while the sum is 56.

The spelling of 23533359977 in words is "twenty-three billion, five hundred thirty-three million, three hundred fifty-nine thousand, nine hundred seventy-seven".