203232243541 has 2 divisors, whose sum is σ = 203232243542. Its totient is φ = 203232243540.

The previous prime is 203232243509. The next prime is 203232243547. The reversal of 203232243541 is 145342232302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184946442916 + 18285800625 = 430054^2 + 135225^2 .

It is a cyclic number.

It is not a de Polignac number, because 203232243541 - 2⁵ = 203232243509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203232243547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101616121770 + 101616121771.

It is an arithmetic number, because the mean of its divisors is an integer number (101616121771).

Almost surely, 2^203232243541 is an apocalyptic number.

It is an amenable number.

203232243541 is a deficient number, since it is larger than the sum of its proper divisors (1).

203232243541 is an equidigital number, since it uses as much as digits as its factorization.

203232243541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 203232243541 its reverse (145342232302), we get a palindrome (348574475843).

The spelling of 203232243541 in words is "two hundred three billion, two hundred thirty-two million, two hundred forty-three thousand, five hundred forty-one".