233768993 has 2 divisors, whose sum is σ = 233768994. Its totient is φ = 233768992.

The previous prime is 233768981. The next prime is 233769013. The reversal of 233768993 is 399867332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222964624 + 10804369 = 14932^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 233768993 - 2¹² = 233764897 is a prime.

It is not a weakly prime, because it can be changed into another prime (233768693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116884496 + 116884497.

It is an arithmetic number, because the mean of its divisors is an integer number (116884497).

Almost surely, 2^233768993 is an apocalyptic number.

It is an amenable number.

233768993 is a deficient number, since it is larger than the sum of its proper divisors (1).

233768993 is an equidigital number, since it uses as much as digits as its factorization.

233768993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The square root of 233768993 is about 15289.5059763225. The cubic root of 233768993 is about 616.0211672956.

The spelling of 233768993 in words is "two hundred thirty-three million, seven hundred sixty-eight thousand, nine hundred ninety-three".