283923147287 has 6 divisors (see below), whose sum is σ = 307443408192. Its totient is φ = 262082905032.

The previous prime is 283923147283. The next prime is 283923147289. The reversal of 283923147287 is 782741329382.

It is not a de Polignac number, because 283923147287 - 2² = 283923147283 is a prime.

It is a super-2 number, since 2×283923147287² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283923147281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840009143 + ... + 840009480.

It is an arithmetic number, because the mean of its divisors is an integer number (51240568032).

Almost surely, 2^283923147287 is an apocalyptic number.

283923147287 is a deficient number, since it is larger than the sum of its proper divisors (23520260905).

283923147287 is a wasteful number, since it uses less digits than its factorization.

283923147287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680018649 (or 1680018636 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The spelling of 283923147287 in words is "two hundred eighty-three billion, nine hundred twenty-three million, one hundred forty-seven thousand, two hundred eighty-seven".