232778353 has 2 divisors, whose sum is σ = 232778354. Its totient is φ = 232778352.

The previous prime is 232778341. The next prime is 232778387. The reversal of 232778353 is 353877232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232776049 + 2304 = 15257^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 232778353 - 2⁵ = 232778321 is a prime.

It is not a weakly prime, because it can be changed into another prime (232778303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116389176 + 116389177.

It is an arithmetic number, because the mean of its divisors is an integer number (116389177).

Almost surely, 2^232778353 is an apocalyptic number.

It is an amenable number.

232778353 is a deficient number, since it is larger than the sum of its proper divisors (1).

232778353 is an equidigital number, since it uses as much as digits as its factorization.

232778353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 232778353 is about 15257.0755061381. The cubic root of 232778353 is about 615.1497667730.

The spelling of 232778353 in words is "two hundred thirty-two million, seven hundred seventy-eight thousand, three hundred fifty-three".