423409684854 has 32 divisors (see below), whose sum is σ = 912097841760. Its totient is φ = 130260114432.

The previous prime is 423409684843. The next prime is 423409684871. The reversal of 423409684854 is 458486904324.

It is a super-2 number, since 2×423409684854² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423409684794 and 423409684803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108742 + ... + 926630.

It is an arithmetic number, because the mean of its divisors is an integer number (28503057555).

Almost surely, 2^423409684854 is an apocalyptic number.

423409684854 is an abundant number, since it is smaller than the sum of its proper divisors (488688156906).

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

423409684854 is a wasteful number, since it uses less digits than its factorization.

423409684854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824544.

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 423409684854 in words is "four hundred twenty-three billion, four hundred nine million, six hundred eighty-four thousand, eight hundred fifty-four".