423389577390 has 64 divisors (see below), whose sum is σ = 1094544360000. Its totient is φ = 104195625984.

The previous prime is 423389577349. The next prime is 423389577397. The reversal of 423389577390 is 93775983324.

423389577390 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423389577397) 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 31 ways as a sum of consecutive naturals, for example, 1654786 + ... + 1893434.

It is an arithmetic number, because the mean of its divisors is an integer number (17102255625).

Almost surely, 2^423389577390 is an apocalyptic number.

423389577390 is an abundant number, since it is smaller than the sum of its proper divisors (671154782610).

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

423389577390 is a wasteful number, since it uses less digits than its factorization.

423389577390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243221.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 423389577390 in words is "four hundred twenty-three billion, three hundred eighty-nine million, five hundred seventy-seven thousand, three hundred ninety".