233338993 has 2 divisors, whose sum is σ = 233338994. Its totient is φ = 233338992.

The previous prime is 233338951. The next prime is 233339023. The reversal of 233338993 is 399833332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227919409 + 5419584 = 15097^2 + 2328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233338993 is a prime.

It is not a weakly prime, because it can be changed into another prime (233338793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116669496 + 116669497.

It is an arithmetic number, because the mean of its divisors is an integer number (116669497).

Almost surely, 2^233338993 is an apocalyptic number.

It is an amenable number.

233338993 is a deficient number, since it is larger than the sum of its proper divisors (1).

233338993 is an equidigital number, since it uses as much as digits as its factorization.

233338993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 43.

The square root of 233338993 is about 15275.4375714740. The cubic root of 233338993 is about 615.6432276909.

The spelling of 233338993 in words is "two hundred thirty-three million, three hundred thirty-eight thousand, nine hundred ninety-three".