30230421 has 16 divisors (see below), whose sum is σ = 43513344. Its totient is φ = 18558144.

The previous prime is 30230413. The next prime is 30230423. The reversal of 30230421 is 12403203.

It is not a de Polignac number, because 30230421 - 2³ = 30230413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30230421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23035 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (2719584).

Almost surely, 2^30230421 is an apocalyptic number.

It is an amenable number.

30230421 is a deficient number, since it is larger than the sum of its proper divisors (13282923).

30230421 is a wasteful number, since it uses less digits than its factorization.

30230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30230421 is about 5498.2198028089. The cubic root of 30230421 is about 311.5167465385.

Adding to 30230421 its reverse (12403203), we get a palindrome (42633624).

The spelling of 30230421 in words is "thirty million, two hundred thirty thousand, four hundred twenty-one".