233463889 has 2 divisors, whose sum is σ = 233463890. Its totient is φ = 233463888.

The previous prime is 233463787. The next prime is 233463911. The reversal of 233463889 is 988364332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152769600 + 80694289 = 12360^2 + 8983^2 .

It is a cyclic number.

It is not a de Polignac number, because 233463889 - 2¹³ = 233455697 is a prime.

It is not a weakly prime, because it can be changed into another prime (233463289) 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, 116731944 + 116731945.

It is an arithmetic number, because the mean of its divisors is an integer number (116731945).

Almost surely, 2^233463889 is an apocalyptic number.

It is an amenable number.

233463889 is a deficient number, since it is larger than the sum of its proper divisors (1).

233463889 is an equidigital number, since it uses as much as digits as its factorization.

233463889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

The square root of 233463889 is about 15279.5251562344. The cubic root of 233463889 is about 615.7530502582.

The spelling of 233463889 in words is "two hundred thirty-three million, four hundred sixty-three thousand, eight hundred eighty-nine".