30420233421 has 8 divisors (see below), whose sum is σ = 40563698400. Its totient is φ = 20278462032.

The previous prime is 30420233413. The next prime is 30420233497. The reversal of 30420233421 is 12433202403.

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

It is not a de Polignac number, because 30420233421 - 2³ = 30420233413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30420233391 and 30420233400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420233321) 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, 380875 + ... + 453768.

It is an arithmetic number, because the mean of its divisors is an integer number (5070462300).

Almost surely, 2^30420233421 is an apocalyptic number.

It is an amenable number.

30420233421 is a deficient number, since it is larger than the sum of its proper divisors (10143464979).

30420233421 is a wasteful number, since it uses less digits than its factorization.

30420233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846795.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30420233421 its reverse (12433202403), we get a palindrome (42853435824).

The spelling of 30420233421 in words is "thirty billion, four hundred twenty million, two hundred thirty-three thousand, four hundred twenty-one".