30023424 has 108 divisors (see below), whose sum is σ = 88165896. Its totient is φ = 9824256.

The previous prime is 30023369. The next prime is 30023431. The reversal of 30023424 is 42432003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30023397 and 30023406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191154 + ... + 191310.

Almost surely, 2^30023424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44082948).

30023424 is an abundant number, since it is smaller than the sum of its proper divisors (58142472).

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

30023424 is a wasteful number, since it uses less digits than its factorization.

30023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30023424 is about 5479.3634666811. The cubic root of 30023424 is about 310.8041004612.

Adding to 30023424 its reverse (42432003), we get a palindrome (72455427).

The spelling of 30023424 in words is "thirty million, twenty-three thousand, four hundred twenty-four".