321040233233 has 4 divisors (see below), whose sum is σ = 321042167220. Its totient is φ = 321038299248.

The previous prime is 321040233221. The next prime is 321040233247. The reversal of 321040233233 is 332332040123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332332040123 = 1171 ⋅283801913.

It can be written as a sum of positive squares in 2 ways, for example, as 55080334864 + 265959898369 = 234692^2 + 515713^2 .

It is a cyclic number.

It is not a de Polignac number, because 321040233233 - 2⁶ = 321040233169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321040235233) 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, 691910 + ... + 1058687.

It is an arithmetic number, because the mean of its divisors is an integer number (80260541805).

Almost surely, 2^321040233233 is an apocalyptic number.

It is an amenable number.

321040233233 is a deficient number, since it is larger than the sum of its proper divisors (1933987).

321040233233 is a wasteful number, since it uses less digits than its factorization.

321040233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933986.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 321040233233 its reverse (332332040123), we get a palindrome (653372273356).

The spelling of 321040233233 in words is "three hundred twenty-one billion, forty million, two hundred thirty-three thousand, two hundred thirty-three".