30423421 has 8 divisors (see below), whose sum is σ = 36815040. Its totient is φ = 24543168.

The previous prime is 30423413. The next prime is 30423473. The reversal of 30423421 is 12432403.

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

It is a cyclic number.

It is not a de Polignac number, because 30423421 - 2³ = 30423413 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 (30423521) 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, 127711 + ... + 127948.

It is an arithmetic number, because the mean of its divisors is an integer number (4601880).

Almost surely, 2^30423421 is an apocalyptic number.

It is an amenable number.

30423421 is a deficient number, since it is larger than the sum of its proper divisors (6391619).

30423421 is a wasteful number, since it uses less digits than its factorization.

30423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255683.

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

The square root of 30423421 is about 5515.7430143182. The cubic root of 30423421 is about 312.1782792468.

Adding to 30423421 its reverse (12432403), we get a palindrome (42855824).

The spelling of 30423421 in words is "thirty million, four hundred twenty-three thousand, four hundred twenty-one".