476312143 has 4 divisors (see below), whose sum is σ = 476421400. Its totient is φ = 476202888.

The previous prime is 476312107. The next prime is 476312191. The reversal of 476312143 is 341213674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341213674 = 2 ⋅170606837.

It is a cyclic number.

It is not a de Polignac number, because 476312143 - 2¹⁷ = 476181071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476312743) 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 3 ways as a sum of consecutive naturals, for example, 47805 + ... + 56902.

It is an arithmetic number, because the mean of its divisors is an integer number (119105350).

Almost surely, 2^476312143 is an apocalyptic number.

476312143 is a deficient number, since it is larger than the sum of its proper divisors (109257).

476312143 is a wasteful number, since it uses less digits than its factorization.

476312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109256.

The product of its digits is 12096, while the sum is 31.

The square root of 476312143 is about 21824.5765823761. The cubic root of 476312143 is about 780.9631663999.

The spelling of 476312143 in words is "four hundred seventy-six million, three hundred twelve thousand, one hundred forty-three".