1040105010343 has 4 divisors (see below), whose sum is σ = 1188691440400. Its totient is φ = 891518580288.

The previous prime is 1040105010277. The next prime is 1040105010389. The reversal of 1040105010343 is 3430105010401.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1040105010343 is a prime.

It is a super-2 number, since 2×1040105010343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040105010643) 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, 74293215018 + ... + 74293215031.

It is an arithmetic number, because the mean of its divisors is an integer number (297172860100).

Almost surely, 2^{1040105010343} is an apocalyptic number.

1040105010343 is a deficient number, since it is larger than the sum of its proper divisors (148586430057).

1040105010343 is an equidigital number, since it uses as much as digits as its factorization.

1040105010343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148586430056.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 1040105010343 in words is "one trillion, forty billion, one hundred five million, ten thousand, three hundred forty-three".