23455033531117 has 2 divisors, whose sum is σ = 23455033531118. Its totient is φ = 23455033531116.

The previous prime is 23455033531109. The next prime is 23455033531151. The reversal of 23455033531117 is 71113533055432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15626375026441 + 7828658504676 = 3953021^2 + 2797974^2 .

It is a cyclic number.

It is not a de Polignac number, because 23455033531117 - 2³ = 23455033531109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23455033531157) 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, 11727516765558 + 11727516765559.

It is an arithmetic number, because the mean of its divisors is an integer number (11727516765559).

Almost surely, 2^{23455033531117} is an apocalyptic number.

It is an amenable number.

23455033531117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23455033531117 is an equidigital number, since it uses as much as digits as its factorization.

23455033531117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 43.

Adding to 23455033531117 its reverse (71113533055432), we get a palindrome (94568566586549).

The spelling of 23455033531117 in words is "twenty-three trillion, four hundred fifty-five billion, thirty-three million, five hundred thirty-one thousand, one hundred seventeen".