105232345247 has 4 divisors (see below), whose sum is σ = 107798987856. Its totient is φ = 102665702640.

The previous prime is 105232345199. The next prime is 105232345343. The reversal of 105232345247 is 742543232501.

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 105232345247 - 2¹⁰ = 105232344223 is a prime.

It is a super-2 number, since 2×105232345247² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105232345247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105232345147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283321243 + ... + 1283321324.

It is an arithmetic number, because the mean of its divisors is an integer number (26949746964).

Almost surely, 2^105232345247 is an apocalyptic number.

105232345247 is a deficient number, since it is larger than the sum of its proper divisors (2566642609).

105232345247 is an equidigital number, since it uses as much as digits as its factorization.

105232345247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566642608.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 105232345247 its reverse (742543232501), we get a palindrome (847775577748).

The spelling of 105232345247 in words is "one hundred five billion, two hundred thirty-two million, three hundred forty-five thousand, two hundred forty-seven".