233123012221021 has 8 divisors (see below), whose sum is σ = 264269001708320. Its totient is φ = 203864658460272.

The previous prime is 233123012220971. The next prime is 233123012221093. The reversal of 233123012221021 is 120122210321332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233123012221021 - 2¹¹ = 233123012218973 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 (233123012225021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471908931375 + ... + 471908931868.

It is an arithmetic number, because the mean of its divisors is an integer number (33033625213540).

Almost surely, 2^{233123012221021} is an apocalyptic number.

It is an amenable number.

233123012221021 is a deficient number, since it is larger than the sum of its proper divisors (31145989487299).

233123012221021 is a wasteful number, since it uses less digits than its factorization.

233123012221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943817863275.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 233123012221021 its reverse (120122210321332), we get a palindrome (353245222542353).

The spelling of 233123012221021 in words is "two hundred thirty-three trillion, one hundred twenty-three billion, twelve million, two hundred twenty-one thousand, twenty-one".