1023321123323 has 4 divisors (see below), whose sum is σ = 1058608058640. Its totient is φ = 988034188008.

The previous prime is 1023321123317. The next prime is 1023321123343. The reversal of 1023321123323 is 3233211233201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023321123323 - 2⁸ = 1023321123067 is a prime.

It is a super-2 number, since 2×1023321123323² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023321123292 and 1023321123301.

It is not an unprimeable number, because it can be changed into a prime (1023321123313) 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, 17643467615 + ... + 17643467672.

It is an arithmetic number, because the mean of its divisors is an integer number (264652014660).

Almost surely, 2^{1023321123323} is an apocalyptic number.

1023321123323 is a deficient number, since it is larger than the sum of its proper divisors (35286935317).

1023321123323 is an equidigital number, since it uses as much as digits as its factorization.

1023321123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35286935316.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1023321123323 its reverse (3233211233201), we get a palindrome (4256532356524).

The spelling of 1023321123323 in words is "one trillion, twenty-three billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty-three".