105523000393 has 2 divisors, whose sum is σ = 105523000394. Its totient is φ = 105523000392.

The previous prime is 105523000357. The next prime is 105523000403. The reversal of 105523000393 is 393000325501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105389181769 + 133818624 = 324637^2 + 11568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105523000393 is a prime.

It is a super-2 number, since 2×105523000393² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105523000313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52761500196 + 52761500197.

It is an arithmetic number, because the mean of its divisors is an integer number (52761500197).

Almost surely, 2^105523000393 is an apocalyptic number.

It is an amenable number.

105523000393 is a deficient number, since it is larger than the sum of its proper divisors (1).

105523000393 is an equidigital number, since it uses as much as digits as its factorization.

105523000393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

Adding to 105523000393 its reverse (393000325501), we get a palindrome (498523325894).

The spelling of 105523000393 in words is "one hundred five billion, five hundred twenty-three million, three hundred ninety-three", and thus it is an aban number.