430023421 has 8 divisors (see below), whose sum is σ = 437821560. Its totient is φ = 422295552.

The previous prime is 430023403. The next prime is 430023427. The reversal of 430023421 is 124320034.

It can be written as a sum of positive squares in 4 ways, for example, as 10797796 + 419225625 = 3286^2 + 20475^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430023421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430023427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5140 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (54727695).

Almost surely, 2^430023421 is an apocalyptic number.

It is an amenable number.

430023421 is a deficient number, since it is larger than the sum of its proper divisors (7798139).

430023421 is a wasteful number, since it uses less digits than its factorization.

430023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35135.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 430023421 is about 20737.0060760950. The cubic root of 430023421 is about 754.7979349020.

Adding to 430023421 its reverse (124320034), we get a palindrome (554343455).

The spelling of 430023421 in words is "four hundred thirty million, twenty-three thousand, four hundred twenty-one".