23040221563433 has 2 divisors, whose sum is σ = 23040221563434. Its totient is φ = 23040221563432.

The previous prime is 23040221563423. The next prime is 23040221563631. The reversal of 23040221563433 is 33436512204032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23038204834969 + 2016728464 = 4799813^2 + 44908^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040221563433 - 2⁴ = 23040221563417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23040221563423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520110781716 + 11520110781717.

It is an arithmetic number, because the mean of its divisors is an integer number (11520110781717).

Almost surely, 2^{23040221563433} is an apocalyptic number.

It is an amenable number.

23040221563433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040221563433 is an equidigital number, since it uses as much as digits as its factorization.

23040221563433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 23040221563433 its reverse (33436512204032), we get a palindrome (56476733767465).

The spelling of 23040221563433 in words is "twenty-three trillion, forty billion, two hundred twenty-one million, five hundred sixty-three thousand, four hundred thirty-three".