30023700 has 216 divisors, whose sum is σ = 108868032. Its totient is φ = 6236160.

The previous prime is 30023663. The next prime is 30023711. The reversal of 30023700 is 732003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30023700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1035286 + ... + 1035314.

Almost surely, 2^30023700 is an apocalyptic number.

30023700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54434016).

30023700 is an abundant number, since it is smaller than the sum of its proper divisors (78844332).

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

30023700 is a wasteful number, since it uses less digits than its factorization.

30023700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 30023700 is about 5479.3886520304. The cubic root of 30023700 is about 310.8050528472.

Adding to 30023700 its reverse (732003), we get a palindrome (30755703).

The spelling of 30023700 in words is "thirty million, twenty-three thousand, seven hundred".