23004501977 has 2 divisors, whose sum is σ = 23004501978. Its totient is φ = 23004501976.

The previous prime is 23004501943. The next prime is 23004502007. The reversal of 23004501977 is 77910540032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11847016336 + 11157485641 = 108844^2 + 105629^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004501977 - 2¹² = 23004497881 is a prime.

It is a super-2 number, since 2×23004501977² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23004501977.

It is not a weakly prime, because it can be changed into another prime (23004501577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502250988 + 11502250989.

It is an arithmetic number, because the mean of its divisors is an integer number (11502250989).

Almost surely, 2^23004501977 is an apocalyptic number.

It is an amenable number.

23004501977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004501977 is an equidigital number, since it uses as much as digits as its factorization.

23004501977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 23004501977 in words is "twenty-three billion, four million, five hundred one thousand, nine hundred seventy-seven".