230011212133 has 4 divisors (see below), whose sum is σ = 230019635020. Its totient is φ = 230002789248.

The previous prime is 230011212131. The next prime is 230011212143. The reversal of 230011212133 is 331212110032.

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 124297143364 + 105714068769 = 352558^2 + 325137^2 .

It is a cyclic number.

It is not a de Polignac number, because 230011212133 - 2¹ = 230011212131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230011212133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230011212131) 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, 4170348 + ... + 4225141.

It is an arithmetic number, because the mean of its divisors is an integer number (57504908755).

Almost surely, 2^230011212133 is an apocalyptic number.

It is an amenable number.

230011212133 is a deficient number, since it is larger than the sum of its proper divisors (8422887).

230011212133 is an equidigital number, since it uses as much as digits as its factorization.

230011212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422886.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 230011212133 its reverse (331212110032), we get a palindrome (561223322165).

The spelling of 230011212133 in words is "two hundred thirty billion, eleven million, two hundred twelve thousand, one hundred thirty-three".