508123842 has 16 divisors (see below), whose sum is σ = 1028492640. Its totient is φ = 167333792.

The previous prime is 508123841. The next prime is 508123853. The reversal of 508123842 is 248321805.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (508123841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509667 + ... + 510662.

It is an arithmetic number, because the mean of its divisors is an integer number (64280790).

Almost surely, 2^508123842 is an apocalyptic number.

508123842 is an abundant number, since it is smaller than the sum of its proper divisors (520368798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508123842 is a wasteful number, since it uses less digits than its factorization.

508123842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020417.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 508123842 is about 22541.6024718741. The cubic root of 508123842 is about 797.9760515674.

The spelling of 508123842 in words is "five hundred eight million, one hundred twenty-three thousand, eight hundred forty-two".