282423478 has 4 divisors (see below), whose sum is σ = 423635220. Its totient is φ = 141211738.

The previous prime is 282423439. The next prime is 282423497. The reversal of 282423478 is 874324282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 282423478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70605868 + ... + 70605871.

It is an arithmetic number, because the mean of its divisors is an integer number (105908805).

Almost surely, 2^282423478 is an apocalyptic number.

282423478 is a deficient number, since it is larger than the sum of its proper divisors (141211742).

282423478 is a wasteful number, since it uses less digits than its factorization.

282423478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141211741.

The product of its digits is 172032, while the sum is 40.

The square root of 282423478 is about 16805.4597675874. The cubic root of 282423478 is about 656.0953085669.

The spelling of 282423478 in words is "two hundred eighty-two million, four hundred twenty-three thousand, four hundred seventy-eight".