1320223032323 has 4 divisors (see below), whose sum is σ = 1421778650208. Its totient is φ = 1218667414440.

The previous prime is 1320223032319. The next prime is 1320223032367. The reversal of 1320223032323 is 3232303220231.

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 1320223032323 - 2² = 1320223032319 is a prime.

It is a super-2 number, since 2×1320223032323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320223032292 and 1320223032301.

It is not an unprimeable number, because it can be changed into a prime (1320223032313) 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, 50777808923 + ... + 50777808948.

It is an arithmetic number, because the mean of its divisors is an integer number (355444662552).

Almost surely, 2^{1320223032323} is an apocalyptic number.

1320223032323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320223032323 is a deficient number, since it is larger than the sum of its proper divisors (101555617885).

1320223032323 is a wasteful number, since it uses less digits than its factorization.

1320223032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101555617884.

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

Adding to 1320223032323 its reverse (3232303220231), we get a palindrome (4552526252554).

The spelling of 1320223032323 in words is "one trillion, three hundred twenty billion, two hundred twenty-three million, thirty-two thousand, three hundred twenty-three".