1856227000343 has 2 divisors, whose sum is σ = 1856227000344. Its totient is φ = 1856227000342.

The previous prime is 1856227000339. The next prime is 1856227000361. The reversal of 1856227000343 is 3430007226581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1856227000343 - 2² = 1856227000339 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1856227000343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1856227000373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 928113500171 + 928113500172.

It is an arithmetic number, because the mean of its divisors is an integer number (928113500172).

Almost surely, 2^{1856227000343} is an apocalyptic number.

1856227000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1856227000343 is an equidigital number, since it uses as much as digits as its factorization.

1856227000343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1856227000343 in words is "one trillion, eight hundred fifty-six billion, two hundred twenty-seven million, three hundred forty-three", and thus it is an aban number.