1023223111321 has 8 divisors (see below), whose sum is σ = 1025042054400. Its totient is φ = 1021404427248.

The previous prime is 1023223111283. The next prime is 1023223111397. The reversal of 1023223111321 is 1231113223201.

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 1023223111321 - 2²³ = 1023214722713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023223111292 and 1023223111301.

It is not an unprimeable number, because it can be changed into a prime (1023223111721) 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, 8953080 + ... + 9066646.

It is an arithmetic number, because the mean of its divisors is an integer number (128130256800).

Almost surely, 2^{1023223111321} is an apocalyptic number.

It is an amenable number.

1023223111321 is a deficient number, since it is larger than the sum of its proper divisors (1818943079).

1023223111321 is a wasteful number, since it uses less digits than its factorization.

1023223111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129503.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1023223111321 its reverse (1231113223201), we get a palindrome (2254336334522).

The spelling of 1023223111321 in words is "one trillion, twenty-three billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twenty-one".