423040030 has 48 divisors (see below), whose sum is σ = 900869040. Its totient is φ = 142574208.

The previous prime is 423039949. The next prime is 423040031. The reversal of 423040030 is 30040324.

It is a junction number, because it is equal to n+sod(n) for n = 423039986 and 423040013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21594 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (18768105).

Almost surely, 2^423040030 is an apocalyptic number.

423040030 is an abundant number, since it is smaller than the sum of its proper divisors (477829010).

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

423040030 is a wasteful number, since it uses less digits than its factorization.

423040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713 (or 14706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 423040030 is about 20567.9369407824. The cubic root of 423040030 is about 750.6897536070.

Adding to 423040030 its reverse (30040324), we get a palindrome (453080354).

The spelling of 423040030 in words is "four hundred twenty-three million, forty thousand, thirty".