321020111231323 has 32 divisors (see below), whose sum is σ = 369665249181696. Its totient is φ = 273079977093888.

The previous prime is 321020111231249. The next prime is 321020111231341. The reversal of 321020111231323 is 323132111020123.

It is a cyclic number.

It is not a de Polignac number, because 321020111231323 - 2¹³ = 321020111223131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321020111831323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932464686 + ... + 932808892.

It is an arithmetic number, because the mean of its divisors is an integer number (11552039036928).

Almost surely, 2^{321020111231323} is an apocalyptic number.

321020111231323 is a deficient number, since it is larger than the sum of its proper divisors (48645137950373).

321020111231323 is a wasteful number, since it uses less digits than its factorization.

321020111231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346323.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321020111231323 its reverse (323132111020123), we get a palindrome (644152222251446).

The spelling of 321020111231323 in words is "three hundred twenty-one trillion, twenty billion, one hundred eleven million, two hundred thirty-one thousand, three hundred twenty-three".