233140191 has 16 divisors (see below), whose sum is σ = 314595840. Its totient is φ = 153563040.

The previous prime is 233140189. The next prime is 233140199. The reversal of 233140191 is 191041332.

It is not a de Polignac number, because 233140191 - 2¹ = 233140189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233140199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253230 + ... + 254148.

It is an arithmetic number, because the mean of its divisors is an integer number (19662240).

Almost surely, 2^233140191 is an apocalyptic number.

233140191 is a deficient number, since it is larger than the sum of its proper divisors (81455649).

233140191 is a wasteful number, since it uses less digits than its factorization.

233140191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 233140191 is about 15268.9289408262. The cubic root of 233140191 is about 615.4683378187.

The spelling of 233140191 in words is "two hundred thirty-three million, one hundred forty thousand, one hundred ninety-one".