1835123018913 has 16 divisors (see below), whose sum is σ = 2769997011840. Its totient is φ = 1200332036592.

The previous prime is 1835123018881. The next prime is 1835123018921. The reversal of 1835123018913 is 3198103215381.

1835123018913 is a `hidden beast` number, since 1 + 8 + 3 + 512 + 30 + 18 + 91 + 3 = 666.

It is not a de Polignac number, because 1835123018913 - 2⁵ = 1835123018881 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1835123018933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641201581 + ... + 641204442.

It is an arithmetic number, because the mean of its divisors is an integer number (173124813240).

Almost surely, 2^{1835123018913} is an apocalyptic number.

It is an amenable number.

1835123018913 is a deficient number, since it is larger than the sum of its proper divisors (934873992927).

1835123018913 is a wasteful number, since it uses less digits than its factorization.

1835123018913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282406085 (or 1282406079 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 1835123018913 in words is "one trillion, eight hundred thirty-five billion, one hundred twenty-three million, eighteen thousand, nine hundred thirteen".