23133299977 has 2 divisors, whose sum is σ = 23133299978. Its totient is φ = 23133299976.

The previous prime is 23133299953. The next prime is 23133299993. The reversal of 23133299977 is 77999233132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20149518601 + 2983781376 = 141949^2 + 54624^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133299977 - 2³¹ = 20985816329 is a prime.

It is not a weakly prime, because it can be changed into another prime (23133299177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566649988 + 11566649989.

It is an arithmetic number, because the mean of its divisors is an integer number (11566649989).

Almost surely, 2^23133299977 is an apocalyptic number.

It is an amenable number.

23133299977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133299977 is an equidigital number, since it uses as much as digits as its factorization.

23133299977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3857868, while the sum is 55.

The spelling of 23133299977 in words is "twenty-three billion, one hundred thirty-three million, two hundred ninety-nine thousand, nine hundred seventy-seven".