423242044 has 24 divisors (see below), whose sum is σ = 774190368. Its totient is φ = 202076160.

The previous prime is 423242033. The next prime is 423242059. The reversal of 423242044 is 440242324.

It is a congruent number.

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, 55384 + ... + 62560.

It is an arithmetic number, because the mean of its divisors is an integer number (32257932).

Almost surely, 2^423242044 is an apocalyptic number.

It is an amenable number.

423242044 is a deficient number, since it is larger than the sum of its proper divisors (350948324).

423242044 is a wasteful number, since it uses less digits than its factorization.

423242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845 (or 7843 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 423242044 is about 20572.8472506846. The cubic root of 423242044 is about 750.8092267036.

Adding to 423242044 its reverse (440242324), we get a palindrome (863484368).

The spelling of 423242044 in words is "four hundred twenty-three million, two hundred forty-two thousand, forty-four".