423121030 has 8 divisors (see below), whose sum is σ = 761617872. Its totient is φ = 169248408.

The previous prime is 423121019. The next prime is 423121031. The reversal of 423121030 is 30121324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423120995 and 423121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21156042 + ... + 21156061.

It is an arithmetic number, because the mean of its divisors is an integer number (95202234).

Almost surely, 2^423121030 is an apocalyptic number.

423121030 is a deficient number, since it is larger than the sum of its proper divisors (338496842).

423121030 is a wasteful number, since it uses less digits than its factorization.

423121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42312110.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 423121030 is about 20569.9059307523. The cubic root of 423121030 is about 750.7376623826.

Adding to 423121030 its reverse (30121324), we get a palindrome (453242354).

The spelling of 423121030 in words is "four hundred twenty-three million, one hundred twenty-one thousand, thirty".