423878406054 has 32 divisors (see below), whose sum is σ = 849585132000. Its totient is φ = 140988190464.

The previous prime is 423878406031. The next prime is 423878406103. The reversal of 423878406054 is 450604878324.

It is a junction number, because it is equal to n+sod(n) for n = 423878405988 and 423878406006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21762232 + ... + 21781700.

It is an arithmetic number, because the mean of its divisors is an integer number (26549535375).

Almost surely, 2^423878406054 is an apocalyptic number.

423878406054 is an abundant number, since it is smaller than the sum of its proper divisors (425706725946).

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

423878406054 is a wasteful number, since it uses less digits than its factorization.

423878406054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27112.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 423878406054 in words is "four hundred twenty-three billion, eight hundred seventy-eight million, four hundred six thousand, fifty-four".