30123032100 has 288 divisors, whose sum is σ = 102492106752. Its totient is φ = 6687360000.

The previous prime is 30123032089. The next prime is 30123032123. The reversal of 30123032100 is 123032103.

It is a super-3 number, since 3×30123032100³ (a number of 32 digits) contains 333 as substring.

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 30123032100.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23332455 + ... + 23333745.

Almost surely, 2^30123032100 is an apocalyptic number.

30123032100 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 30123032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51246053376).

30123032100 is an abundant number, since it is smaller than the sum of its proper divisors (72369074652).

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

30123032100 is a wasteful number, since it uses less digits than its factorization.

30123032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30123032100 its reverse (123032103), we get a palindrome (30246064203).

The spelling of 30123032100 in words is "thirty billion, one hundred twenty-three million, thirty-two thousand, one hundred".