23217755382433 has 2 divisors, whose sum is σ = 23217755382434. Its totient is φ = 23217755382432.

The previous prime is 23217755382427. The next prime is 23217755382491. The reversal of 23217755382433 is 33428355771232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23071806169344 + 145949213089 = 4803312^2 + 382033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23217755382433 is a prime.

It is not a weakly prime, because it can be changed into another prime (23217753382433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608877691216 + 11608877691217.

It is an arithmetic number, because the mean of its divisors is an integer number (11608877691217).

Almost surely, 2^{23217755382433} is an apocalyptic number.

It is an amenable number.

23217755382433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23217755382433 is an equidigital number, since it uses as much as digits as its factorization.

23217755382433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 55.

The spelling of 23217755382433 in words is "twenty-three trillion, two hundred seventeen billion, seven hundred fifty-five million, three hundred eighty-two thousand, four hundred thirty-three".