105523000399 has 4 divisors (see below), whose sum is σ = 105552804280. Its totient is φ = 105493196520.

The previous prime is 105523000393. The next prime is 105523000403. The reversal of 105523000399 is 993000325501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105523000399 - 2¹¹ = 105522998351 is a prime.

It is a super-3 number, since 3×105523000399³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105523000393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14896629 + ... + 14903710.

It is an arithmetic number, because the mean of its divisors is an integer number (26388201070).

Almost surely, 2^105523000399 is an apocalyptic number.

105523000399 is a deficient number, since it is larger than the sum of its proper divisors (29803881).

105523000399 is an equidigital number, since it uses as much as digits as its factorization.

105523000399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29803880.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 105523000399 in words is "one hundred five billion, five hundred twenty-three million, three hundred ninety-nine", and thus it is an aban number.