43243412101 has 2 divisors, whose sum is σ = 43243412102. Its totient is φ = 43243412100.

The previous prime is 43243412081. The next prime is 43243412131. The reversal of 43243412101 is 10121434234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33269395201 + 9974016900 = 182399^2 + 99870^2 .

It is a cyclic number.

It is not a de Polignac number, because 43243412101 - 2¹⁹ = 43242887813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43243412131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621706050 + 21621706051.

It is an arithmetic number, because the mean of its divisors is an integer number (21621706051).

Almost surely, 2^43243412101 is an apocalyptic number.

It is an amenable number.

43243412101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43243412101 is an equidigital number, since it uses as much as digits as its factorization.

43243412101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43243412101 its reverse (10121434234), we get a palindrome (53364846335).

The spelling of 43243412101 in words is "forty-three billion, two hundred forty-three million, four hundred twelve thousand, one hundred one".