842023973123 has 16 divisors (see below), whose sum is σ = 910357816320. Its totient is φ = 776094729696.

The previous prime is 842023973113. The next prime is 842023973137. The reversal of 842023973123 is 321379320248.

It is a cyclic number.

It is not a de Polignac number, because 842023973123 - 2⁶ = 842023973059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842023973113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13623536 + ... + 13685202.

It is an arithmetic number, because the mean of its divisors is an integer number (56897363520).

Almost surely, 2^842023973123 is an apocalyptic number.

842023973123 is a deficient number, since it is larger than the sum of its proper divisors (68333843197).

842023973123 is a wasteful number, since it uses less digits than its factorization.

842023973123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81146.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 842023973123 in words is "eight hundred forty-two billion, twenty-three million, nine hundred seventy-three thousand, one hundred twenty-three".