423795857516 has 12 divisors (see below), whose sum is σ = 741732846288. Its totient is φ = 211872187152.

The previous prime is 423795857509. The next prime is 423795857539. The reversal of 423795857516 is 615758597324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6398336 + ... + 6464231.

It is an arithmetic number, because the mean of its divisors is an integer number (61811070524).

Almost surely, 2^423795857516 is an apocalyptic number.

It is an amenable number.

423795857516 is a deficient number, since it is larger than the sum of its proper divisors (317936988772).

423795857516 is a wasteful number, since it uses less digits than its factorization.

423795857516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870808 (or 12870806 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 62.

The spelling of 423795857516 in words is "four hundred twenty-three billion, seven hundred ninety-five million, eight hundred fifty-seven thousand, five hundred sixteen".