233020223231 has 4 divisors (see below), whose sum is σ = 236969718600. Its totient is φ = 229070727864.

The previous prime is 233020223221. The next prime is 233020223243. The reversal of 233020223231 is 132322020332.

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 233020223231 - 2¹⁸ = 233019961087 is a prime.

It is a super-2 number, since 2×233020223231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233020223197 and 233020223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233020223221) 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, 1974747596 + ... + 1974747713.

It is an arithmetic number, because the mean of its divisors is an integer number (59242429650).

Almost surely, 2^233020223231 is an apocalyptic number.

233020223231 is a deficient number, since it is larger than the sum of its proper divisors (3949495369).

233020223231 is an equidigital number, since it uses as much as digits as its factorization.

233020223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949495368.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 233020223231 its reverse (132322020332), we get a palindrome (365342243563).

The spelling of 233020223231 in words is "two hundred thirty-three billion, twenty million, two hundred twenty-three thousand, two hundred thirty-one".