23201133331 has 4 divisors (see below), whose sum is σ = 23289350832. Its totient is φ = 23112915832.

The previous prime is 23201133311. The next prime is 23201133337. The reversal of 23201133331 is 13333110232.

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

It is a cyclic number.

It is not a de Polignac number, because 23201133331 - 2³³ = 14611198739 is a prime.

It is a super-3 number, since 3×23201133331³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23201133337) 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, 44108356 + ... + 44108881.

It is an arithmetic number, because the mean of its divisors is an integer number (5822337708).

Almost surely, 2^23201133331 is an apocalyptic number.

23201133331 is a deficient number, since it is larger than the sum of its proper divisors (88217501).

23201133331 is an equidigital number, since it uses as much as digits as its factorization.

23201133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88217500.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23201133331 its reverse (13333110232), we get a palindrome (36534243563).

The spelling of 23201133331 in words is "twenty-three billion, two hundred one million, one hundred thirty-three thousand, three hundred thirty-one".