30023630 has 32 divisors (see below), whose sum is σ = 66515904. Its totient is φ = 9501696.

The previous prime is 30023627. The next prime is 30023633. The reversal of 30023630 is 3632003.

It is an interprime number because it is at equal distance from previous prime (30023627) and next prime (30023633).

It is a junction number, because it is equal to n+sod(n) for n = 30023599 and 30023608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023633) 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, 15587 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (2078622).

Almost surely, 2^30023630 is an apocalyptic number.

30023630 is an abundant number, since it is smaller than the sum of its proper divisors (36492274).

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

30023630 is a wasteful number, since it uses less digits than its factorization.

30023630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30023630 is about 5479.3822644528. The cubic root of 30023630 is about 310.8048113006.

Adding to 30023630 its reverse (3632003), we get a palindrome (33655633).

The spelling of 30023630 in words is "thirty million, twenty-three thousand, six hundred thirty".