43203441401 has 2 divisors, whose sum is σ = 43203441402. Its totient is φ = 43203441400.

The previous prime is 43203441383. The next prime is 43203441409. The reversal of 43203441401 is 10414430234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29730035776 + 13473405625 = 172424^2 + 116075^2 .

It is a cyclic number.

It is not a de Polignac number, because 43203441401 - 2¹⁴ = 43203425017 is a prime.

It is not a weakly prime, because it can be changed into another prime (43203441409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21601720700 + 21601720701.

It is an arithmetic number, because the mean of its divisors is an integer number (21601720701).

Almost surely, 2^43203441401 is an apocalyptic number.

It is an amenable number.

43203441401 is a deficient number, since it is larger than the sum of its proper divisors (1).

43203441401 is an equidigital number, since it uses as much as digits as its factorization.

43203441401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43203441401 its reverse (10414430234), we get a palindrome (53617871635).

The spelling of 43203441401 in words is "forty-three billion, two hundred three million, four hundred forty-one thousand, four hundred one".