2043455323313 has 4 divisors (see below), whose sum is σ = 2063294695488. Its totient is φ = 2023615951140.

The previous prime is 2043455323277. The next prime is 2043455323331. The reversal of 2043455323313 is 3133235543402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2043455323313 - 2²² = 2043451129009 is a prime.

It is a super-2 number, since 2×2043455323313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2043455323373) 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, 9919685933 + ... + 9919686138.

It is an arithmetic number, because the mean of its divisors is an integer number (515823673872).

Almost surely, 2^{2043455323313} is an apocalyptic number.

It is an amenable number.

2043455323313 is a deficient number, since it is larger than the sum of its proper divisors (19839372175).

2043455323313 is a wasteful number, since it uses less digits than its factorization.

2043455323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839372174.

The product of its (nonzero) digits is 388800, while the sum is 38.

The spelling of 2043455323313 in words is "two trillion, forty-three billion, four hundred fifty-five million, three hundred twenty-three thousand, three hundred thirteen".