105840063 has 24 divisors (see below), whose sum is σ = 177590816. Its totient is φ = 59486400.

The previous prime is 105840061. The next prime is 105840067. The reversal of 105840063 is 360048501.

It is not a de Polignac number, because 105840063 - 2¹ = 105840061 is a prime.

It is a super-2 number, since 2×105840063² = 22404237871687938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105840061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9928 + ... + 17613.

Almost surely, 2^105840063 is an apocalyptic number.

105840063 is a deficient number, since it is larger than the sum of its proper divisors (71750753).

105840063 is a wasteful number, since it uses less digits than its factorization.

105840063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27615 (or 27612 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 105840063 is about 10287.8599815511. The cubic root of 105840063 is about 473.0242036403.

Adding to 105840063 its reverse (360048501), we get a palindrome (465888564).

The spelling of 105840063 in words is "one hundred five million, eight hundred forty thousand, sixty-three".