2056340123343 has 40 divisors (see below), whose sum is σ = 3375181434240. Its totient is φ = 1237300719120.

The previous prime is 2056340123333. The next prime is 2056340123407. The reversal of 2056340123343 is 3433210436502.

2056340123343 is a `hidden beast` number, since 2 + 0 + 5 + 634 + 0 + 12 + 3 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 2056340123343 - 2¹² = 2056340119247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2056340123298 and 2056340123307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056340123333) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8177955 + ... + 8425652.

It is an arithmetic number, because the mean of its divisors is an integer number (84379535856).

Almost surely, 2^{2056340123343} is an apocalyptic number.

2056340123343 is a deficient number, since it is larger than the sum of its proper divisors (1318841310897).

2056340123343 is a wasteful number, since it uses less digits than its factorization.

2056340123343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603769 (or 16603760 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 2056340123343 its reverse (3433210436502), we get a palindrome (5489550559845).

The spelling of 2056340123343 in words is "two trillion, fifty-six billion, three hundred forty million, one hundred twenty-three thousand, three hundred forty-three".