840845763123 has 12 divisors (see below), whose sum is σ = 1161120351768. Its totient is φ = 541234052800.

The previous prime is 840845763113. The next prime is 840845763151. The reversal of 840845763123 is 321367548048.

It is a happy number.

It is not a de Polignac number, because 840845763123 - 2⁵ = 840845763091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (840845763113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166633578 + ... + 166638623.

It is an arithmetic number, because the mean of its divisors is an integer number (96760029314).

Almost surely, 2^840845763123 is an apocalyptic number.

840845763123 is a deficient number, since it is larger than the sum of its proper divisors (320274588645).

840845763123 is a wasteful number, since it uses less digits than its factorization.

840845763123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333272262 (or 333272233 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 840845763123 in words is "eight hundred forty billion, eight hundred forty-five million, seven hundred sixty-three thousand, one hundred twenty-three".