233989733 has 2 divisors, whose sum is σ = 233989734. Its totient is φ = 233989732.

The previous prime is 233989709. The next prime is 233989759. The reversal of 233989733 is 337989332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195077089 + 38912644 = 13967^2 + 6238^2 .

It is a cyclic number.

It is not a de Polignac number, because 233989733 - 2⁸ = 233989477 is a prime.

It is a super-2 number, since 2×233989733² = 109502390298822578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233989783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116994866 + 116994867.

It is an arithmetic number, because the mean of its divisors is an integer number (116994867).

Almost surely, 2^233989733 is an apocalyptic number.

It is an amenable number.

233989733 is a deficient number, since it is larger than the sum of its proper divisors (1).

233989733 is an equidigital number, since it uses as much as digits as its factorization.

233989733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 47.

The square root of 233989733 is about 15296.7229497040. The cubic root of 233989733 is about 616.2150021474.

The spelling of 233989733 in words is "two hundred thirty-three million, nine hundred eighty-nine thousand, seven hundred thirty-three".