233123321012 has 12 divisors (see below), whose sum is σ = 408228517956. Its totient is φ = 116486601600.

The previous prime is 233123320967. The next prime is 233123321017. The reversal of 233123321012 is 210123321332.

It can be written as a sum of positive squares in 2 ways, for example, as 153533883556 + 79589437456 = 391834^2 + 282116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123321017) 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, 18757739 + ... + 18770162.

It is an arithmetic number, because the mean of its divisors is an integer number (34019043163).

Almost surely, 2^233123321012 is an apocalyptic number.

It is an amenable number.

233123321012 is a deficient number, since it is larger than the sum of its proper divisors (175105196944).

233123321012 is a wasteful number, since it uses less digits than its factorization.

233123321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37529458 (or 37529456 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233123321012 its reverse (210123321332), we get a palindrome (443246642344).

The spelling of 233123321012 in words is "two hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-one thousand, twelve".