230320203133 has 4 divisors (see below), whose sum is σ = 233564149728. Its totient is φ = 227076256540.

The previous prime is 230320203083. The next prime is 230320203143. The reversal of 230320203133 is 331302023032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230320203133 - 2²¹ = 230318105981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230320203143) 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, 1621973191 + ... + 1621973332.

It is an arithmetic number, because the mean of its divisors is an integer number (58391037432).

Almost surely, 2^230320203133 is an apocalyptic number.

It is an amenable number.

230320203133 is a deficient number, since it is larger than the sum of its proper divisors (3243946595).

230320203133 is an equidigital number, since it uses as much as digits as its factorization.

230320203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243946594.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 230320203133 its reverse (331302023032), we get a palindrome (561622226165).

The spelling of 230320203133 in words is "two hundred thirty billion, three hundred twenty million, two hundred three thousand, one hundred thirty-three".