2043423320311 has 8 divisors (see below), whose sum is σ = 2204447800464. Its totient is φ = 1886934741120.

The previous prime is 2043423320297. The next prime is 2043423320387. The reversal of 2043423320311 is 1130233243402.

It is a happy number.

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 2043423320311 - 2¹¹ = 2043423318263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043423320311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043423320111) 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, 1133974305 + ... + 1133976106.

It is an arithmetic number, because the mean of its divisors is an integer number (275555975058).

Almost surely, 2^{2043423320311} is an apocalyptic number.

2043423320311 is a deficient number, since it is larger than the sum of its proper divisors (161024480153).

2043423320311 is a wasteful number, since it uses less digits than its factorization.

2043423320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267950481.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2043423320311 its reverse (1130233243402), we get a palindrome (3173656563713).

The spelling of 2043423320311 in words is "two trillion, forty-three billion, four hundred twenty-three million, three hundred twenty thousand, three hundred eleven".