30023420 has 48 divisors (see below), whose sum is σ = 75855360. Its totient is φ = 9751104.

The previous prime is 30023369. The next prime is 30023431. The reversal of 30023420 is 2432003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 30023395 and 30023404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2984 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (1580320).

Almost surely, 2^30023420 is an apocalyptic number.

It is an amenable number.

30023420 is an abundant number, since it is smaller than the sum of its proper divisors (45831940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30023420 is a wasteful number, since it uses less digits than its factorization.

30023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322 (or 11320 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30023420 is about 5479.3631016752. The cubic root of 30023420 is about 310.8040866585.

Adding to 30023420 its reverse (2432003), we get a palindrome (32455423).

The spelling of 30023420 in words is "thirty million, twenty-three thousand, four hundred twenty".