423404043040 has 48 divisors (see below), whose sum is σ = 1091227697280. Its totient is φ = 153965105920.

The previous prime is 423404043031. The next prime is 423404043053. The reversal of 423404043040 is 40340404324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120283480 + ... + 120286999.

It is an arithmetic number, because the mean of its divisors is an integer number (22733910360).

Almost surely, 2^423404043040 is an apocalyptic number.

423404043040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423404043040 is an abundant number, since it is smaller than the sum of its proper divisors (667823654240).

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

423404043040 is a wasteful number, since it uses less digits than its factorization.

423404043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240570505 (or 240570497 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 423404043040 its reverse (40340404324), we get a palindrome (463744447364).

The spelling of 423404043040 in words is "four hundred twenty-three billion, four hundred four million, forty-three thousand, forty".