233332145320421 has 8 divisors (see below), whose sum is σ = 266843919337344. Its totient is φ = 199865023903440.

The previous prime is 233332145320367. The next prime is 233332145320427. The reversal of 233332145320421 is 124023541233332.

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

It is a de Polignac number, because none of the positive numbers 2^k-233332145320421 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 (233332145320427) 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, 11163138785 + ... + 11163159686.

It is an arithmetic number, because the mean of its divisors is an integer number (33355489917168).

Almost surely, 2^{233332145320421} is an apocalyptic number.

It is an amenable number.

233332145320421 is a deficient number, since it is larger than the sum of its proper divisors (33511774016923).

233332145320421 is a wasteful number, since it uses less digits than its factorization.

233332145320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326299971.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 233332145320421 its reverse (124023541233332), we get a palindrome (357355686553753).

The spelling of 233332145320421 in words is "two hundred thirty-three trillion, three hundred thirty-two billion, one hundred forty-five million, three hundred twenty thousand, four hundred twenty-one".