105318473243 has 2 divisors, whose sum is σ = 105318473244. Its totient is φ = 105318473242.

The previous prime is 105318473207. The next prime is 105318473263. The reversal of 105318473243 is 342374813501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105318473243 - 2³⁶ = 36598996507 is a prime.

It is a super-2 number, since 2×105318473243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105318473243.

It is not a weakly prime, because it can be changed into another prime (105318473263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52659236621 + 52659236622.

It is an arithmetic number, because the mean of its divisors is an integer number (52659236622).

Almost surely, 2^105318473243 is an apocalyptic number.

105318473243 is a deficient number, since it is larger than the sum of its proper divisors (1).

105318473243 is an equidigital number, since it uses as much as digits as its factorization.

105318473243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 105318473243 in words is "one hundred five billion, three hundred eighteen million, four hundred seventy-three thousand, two hundred forty-three".