423435055578 has 16 divisors (see below), whose sum is σ = 847392567456. Its totient is φ = 141057942480.

The previous prime is 423435055523. The next prime is 423435055579. The reversal of 423435055578 is 875550534324.

It is a super-3 number, since 3×423435055578³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423435055578.

It is not an unprimeable number, because it can be changed into a prime (423435055579) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21758476 + ... + 21777927.

It is an arithmetic number, because the mean of its divisors is an integer number (52962035466).

Almost surely, 2^423435055578 is an apocalyptic number.

423435055578 is an abundant number, since it is smaller than the sum of its proper divisors (423957511878).

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

423435055578 is a wasteful number, since it uses less digits than its factorization.

423435055578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43538029.

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 423435055578 in words is "four hundred twenty-three billion, four hundred thirty-five million, fifty-five thousand, five hundred seventy-eight".