1320023143211 has 8 divisors (see below), whose sum is σ = 1321315914000. Its totient is φ = 1318730906880.

The previous prime is 1320023143207. The next prime is 1320023143223. The reversal of 1320023143211 is 1123413200231.

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 1320023143211 - 2² = 1320023143207 is a prime.

It is a super-2 number, since 2×1320023143211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320023143291) 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, 4900931 + ... + 5163251.

It is an arithmetic number, because the mean of its divisors is an integer number (165164489250).

Almost surely, 2^{1320023143211} is an apocalyptic number.

1320023143211 is a deficient number, since it is larger than the sum of its proper divisors (1292770789).

1320023143211 is a wasteful number, since it uses less digits than its factorization.

1320023143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267229.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1320023143211 its reverse (1123413200231), we get a palindrome (2443436343442).

The spelling of 1320023143211 in words is "one trillion, three hundred twenty billion, twenty-three million, one hundred forty-three thousand, two hundred eleven".