43230254161 has 2 divisors, whose sum is σ = 43230254162. Its totient is φ = 43230254160.

The previous prime is 43230254113. The next prime is 43230254167. The reversal of 43230254161 is 16145203234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32423404225 + 10806849936 = 180065^2 + 103956^2 .

It is a cyclic number.

It is not a de Polignac number, because 43230254161 - 2³⁵ = 8870515793 is a prime.

It is not a weakly prime, because it can be changed into another prime (43230254167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21615127080 + 21615127081.

It is an arithmetic number, because the mean of its divisors is an integer number (21615127081).

Almost surely, 2^43230254161 is an apocalyptic number.

It is an amenable number.

43230254161 is a deficient number, since it is larger than the sum of its proper divisors (1).

43230254161 is an equidigital number, since it uses as much as digits as its factorization.

43230254161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 43230254161 its reverse (16145203234), we get a palindrome (59375457395).

The spelling of 43230254161 in words is "forty-three billion, two hundred thirty million, two hundred fifty-four thousand, one hundred sixty-one".