84020373243 has 12 divisors (see below), whose sum is σ = 121366082760. Its totient is φ = 56012049216.

The previous prime is 84020373223. The next prime is 84020373289. The reversal of 84020373243 is 34237302048.

84020373243 is a `hidden beast` number, since 8 + 40 + 2 + 0 + 373 + 243 = 666.

It is not a de Polignac number, because 84020373243 - 2²⁰ = 84019324667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84020373198 and 84020373207.

It is not an unprimeable number, because it can be changed into a prime (84020373223) 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, 291955 + ... + 503267.

It is an arithmetic number, because the mean of its divisors is an integer number (10113840230).

Almost surely, 2^84020373243 is an apocalyptic number.

84020373243 is a deficient number, since it is larger than the sum of its proper divisors (37345709517).

84020373243 is a wasteful number, since it uses less digits than its factorization.

84020373243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255498 (or 255495 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 84020373243 in words is "eighty-four billion, twenty million, three hundred seventy-three thousand, two hundred forty-three".