233520240133 has 4 divisors (see below), whose sum is σ = 239215855788. Its totient is φ = 227824624480.

The previous prime is 233520240103. The next prime is 233520240167. The reversal of 233520240133 is 331042025332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50693873409 + 182826366724 = 225153^2 + 427582^2 .

It is a cyclic number.

It is not a de Polignac number, because 233520240133 - 2¹⁷ = 233520109061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233520240103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847807766 + ... + 2847807847.

It is an arithmetic number, because the mean of its divisors is an integer number (59803963947).

Almost surely, 2^233520240133 is an apocalyptic number.

It is an amenable number.

233520240133 is a deficient number, since it is larger than the sum of its proper divisors (5695615655).

233520240133 is an equidigital number, since it uses as much as digits as its factorization.

233520240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695615654.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 233520240133 its reverse (331042025332), we get a palindrome (564562265465).

The spelling of 233520240133 in words is "two hundred thirty-three billion, five hundred twenty million, two hundred forty thousand, one hundred thirty-three".