423121125 has 48 divisors (see below), whose sum is σ = 819059904. Its totient is φ = 193418400.

The previous prime is 423121117. The next prime is 423121141. The reversal of 423121125 is 521121324.

It is not a de Polignac number, because 423121125 - 2³ = 423121117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6862 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (17063748).

Almost surely, 2^423121125 is an apocalyptic number.

It is an amenable number.

423121125 is a deficient number, since it is larger than the sum of its proper divisors (395938779).

423121125 is a wasteful number, since it uses less digits than its factorization.

423121125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23059 (or 23042 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 423121125 is about 20569.9082399509. The cubic root of 423121125 is about 750.7377185683.

Adding to 423121125 its reverse (521121324), we get a palindrome (944242449).

The spelling of 423121125 in words is "four hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-five".