105533545023 has 24 divisors (see below), whose sum is σ = 162944701920. Its totient is φ = 65655363840.

The previous prime is 105533545009. The next prime is 105533545079. The reversal of 105533545023 is 320545335501.

105533545023 is a `hidden beast` number, since 1 + 0 + 5 + 533 + 54 + 50 + 23 = 666.

It is not a de Polignac number, because 105533545023 - 2²¹ = 105531447871 is a prime.

It is a super-2 number, since 2×105533545023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105533545423) 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 23 ways as a sum of consecutive naturals, for example, 6208878 + ... + 6225851.

It is an arithmetic number, because the mean of its divisors is an integer number (6789362580).

Almost surely, 2^105533545023 is an apocalyptic number.

105533545023 is a deficient number, since it is larger than the sum of its proper divisors (57411156897).

105533545023 is a wasteful number, since it uses less digits than its factorization.

105533545023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434799 (or 12434796 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 105533545023 in words is "one hundred five billion, five hundred thirty-three million, five hundred forty-five thousand, twenty-three".