232233557 has 2 divisors, whose sum is σ = 232233558. Its totient is φ = 232233556.

The previous prime is 232233541. The next prime is 232233569. The reversal of 232233557 is 755332232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191158276 + 41075281 = 13826^2 + 6409^2 .

It is a cyclic number.

It is not a de Polignac number, because 232233557 - 2⁴ = 232233541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232233517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116116778 + 116116779.

It is an arithmetic number, because the mean of its divisors is an integer number (116116779).

Almost surely, 2^232233557 is an apocalyptic number.

It is an amenable number.

232233557 is a deficient number, since it is larger than the sum of its proper divisors (1).

232233557 is an equidigital number, since it uses as much as digits as its factorization.

232233557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 32.

The square root of 232233557 is about 15239.2111672488. The cubic root of 232233557 is about 614.6694917013.

Adding to 232233557 its reverse (755332232), we get a palindrome (987565789).

The spelling of 232233557 in words is "two hundred thirty-two million, two hundred thirty-three thousand, five hundred fifty-seven".