105043154243 has 2 divisors, whose sum is σ = 105043154244. Its totient is φ = 105043154242.

The previous prime is 105043154233. The next prime is 105043154261. The reversal of 105043154243 is 342451340501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105043154243 - 2²² = 105038959939 is a prime.

It is a super-2 number, since 2×105043154243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105043154233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52521577121 + 52521577122.

It is an arithmetic number, because the mean of its divisors is an integer number (52521577122).

Almost surely, 2^105043154243 is an apocalyptic number.

105043154243 is a deficient number, since it is larger than the sum of its proper divisors (1).

105043154243 is an equidigital number, since it uses as much as digits as its factorization.

105043154243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 105043154243 its reverse (342451340501), we get a palindrome (447494494744).

The spelling of 105043154243 in words is "one hundred five billion, forty-three million, one hundred fifty-four thousand, two hundred forty-three".