423135044 has 12 divisors (see below), whose sum is σ = 746317824. Its totient is φ = 209901384.

The previous prime is 423135023. The next prime is 423135059. The reversal of 423135044 is 440531324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415964 + ... + 416979.

It is an arithmetic number, because the mean of its divisors is an integer number (62193152).

Almost surely, 2^423135044 is an apocalyptic number.

It is an amenable number.

423135044 is a deficient number, since it is larger than the sum of its proper divisors (323182780).

423135044 is a wasteful number, since it uses less digits than its factorization.

423135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833074 (or 833072 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 423135044 is about 20570.2465712008. The cubic root of 423135044 is about 750.7459505718.

Adding to 423135044 its reverse (440531324), we get a palindrome (863666368).

The spelling of 423135044 in words is "four hundred twenty-three million, one hundred thirty-five thousand, forty-four".