233123212304020 has 24 divisors (see below), whose sum is σ = 490494804647904. Its totient is φ = 93070988005536.

The previous prime is 233123212303931. The next prime is 233123212304029. The reversal of 233123212304020 is 20403212321332.

It is a super-2 number, since 2×233123212304020² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233123212304020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123212304029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11143546534 + ... + 11143567453.

It is an arithmetic number, because the mean of its divisors is an integer number (20437283526996).

Almost surely, 2^{233123212304020} is an apocalyptic number.

233123212304020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233123212304020 is an abundant number, since it is smaller than the sum of its proper divisors (257371592343884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233123212304020 is a wasteful number, since it uses less digits than its factorization.

233123212304020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22287114519 (or 22287114517 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 233123212304020 its reverse (20403212321332), we get a palindrome (253526424625352).

The spelling of 233123212304020 in words is "two hundred thirty-three trillion, one hundred twenty-three billion, two hundred twelve million, three hundred four thousand, twenty".