83523236469109 has 2 divisors, whose sum is σ = 83523236469110. Its totient is φ = 83523236469108.

The previous prime is 83523236469037. The next prime is 83523236469133. The reversal of 83523236469109 is 90196463232538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63954088236900 + 19569148232209 = 7997130^2 + 4423703^2 .

It is a cyclic number.

It is not a de Polignac number, because 83523236469109 - 2¹⁷ = 83523236338037 is a prime.

It is a super-2 number, since 2×83523236469109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83523236469139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41761618234554 + 41761618234555.

It is an arithmetic number, because the mean of its divisors is an integer number (41761618234555).

Almost surely, 2^{83523236469109} is an apocalyptic number.

It is an amenable number.

83523236469109 is a deficient number, since it is larger than the sum of its proper divisors (1).

83523236469109 is an equidigital number, since it uses as much as digits as its factorization.

83523236469109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 61.

The spelling of 83523236469109 in words is "eighty-three trillion, five hundred twenty-three billion, two hundred thirty-six million, four hundred sixty-nine thousand, one hundred nine".