287463223 has 4 divisors (see below), whose sum is σ = 299961648. Its totient is φ = 274964800.

The previous prime is 287463221. The next prime is 287463287. The reversal of 287463223 is 322364782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322364782 = 2 ⋅161182391.

It is a cyclic number.

It is not a de Polignac number, because 287463223 - 2¹ = 287463221 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 (287463221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6249178 + ... + 6249223.

It is an arithmetic number, because the mean of its divisors is an integer number (74990412).

Almost surely, 2^287463223 is an apocalyptic number.

287463223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

287463223 is a deficient number, since it is larger than the sum of its proper divisors (12498425).

287463223 is a wasteful number, since it uses less digits than its factorization.

287463223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498424.

The product of its digits is 96768, while the sum is 37.

The square root of 287463223 is about 16954.7404285645. The cubic root of 287463223 is about 659.9749171674.

The spelling of 287463223 in words is "two hundred eighty-seven million, four hundred sixty-three thousand, two hundred twenty-three".