285739272723 has 16 divisors (see below), whose sum is σ = 381919099520. Its totient is φ = 190026679104.

The previous prime is 285739272677. The next prime is 285739272737. The reversal of 285739272723 is 327272937582.

It is not a de Polignac number, because 285739272723 - 2²⁰ = 285738224147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285739272023) 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, 2112240 + ... + 2243442.

It is an arithmetic number, because the mean of its divisors is an integer number (23869943720).

Almost surely, 2^285739272723 is an apocalyptic number.

285739272723 is a deficient number, since it is larger than the sum of its proper divisors (96179826797).

285739272723 is a wasteful number, since it uses less digits than its factorization.

285739272723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132978.

The product of its digits is 17781120, while the sum is 57.

The spelling of 285739272723 in words is "two hundred eighty-five billion, seven hundred thirty-nine million, two hundred seventy-two thousand, seven hundred twenty-three".