232103561 has 2 divisors, whose sum is σ = 232103562. Its totient is φ = 232103560.

The previous prime is 232103539. The next prime is 232103593. The reversal of 232103561 is 165301232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141015625 + 91087936 = 11875^2 + 9544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232103561 is a prime.

It is not a weakly prime, because it can be changed into another prime (232105561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116051780 + 116051781.

It is an arithmetic number, because the mean of its divisors is an integer number (116051781).

Almost surely, 2^232103561 is an apocalyptic number.

It is an amenable number.

232103561 is a deficient number, since it is larger than the sum of its proper divisors (1).

232103561 is an equidigital number, since it uses as much as digits as its factorization.

232103561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 232103561 is about 15234.9453888092. The cubic root of 232103561 is about 614.5547803303.

Adding to 232103561 its reverse (165301232), we get a palindrome (397404793).

The spelling of 232103561 in words is "two hundred thirty-two million, one hundred three thousand, five hundred sixty-one".