423768851 has 16 divisors (see below), whose sum is σ = 480405600. Its totient is φ = 370272000.

The previous prime is 423768841. The next prime is 423768931. The reversal of 423768851 is 158867324.

It is a de Polignac number, because none of the positive numbers 2^k-423768851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423768841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70151 + ... + 75951.

It is an arithmetic number, because the mean of its divisors is an integer number (30025350).

Almost surely, 2^423768851 is an apocalyptic number.

423768851 is a deficient number, since it is larger than the sum of its proper divisors (56636749).

423768851 is a wasteful number, since it uses less digits than its factorization.

423768851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070.

The product of its digits is 322560, while the sum is 44.

The square root of 423768851 is about 20585.6467228989. The cubic root of 423768851 is about 751.1206068938.

The spelling of 423768851 in words is "four hundred twenty-three million, seven hundred sixty-eight thousand, eight hundred fifty-one".