1230323100 has 72 divisors (see below), whose sum is σ = 3565032240. Its totient is φ = 327598080.

The previous prime is 1230323023. The next prime is 1230323111. The reversal of 1230323100 is 13230321.

It is a super-2 number, since 2×1230323100² = 3027389860787220000, which contains 22 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 1230323100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228034 + ... + 233366.

Almost surely, 2^1230323100 is an apocalyptic number.

1230323100 is a gapful number since it is divisible by the number (10) 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 1230323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782516120).

1230323100 is an abundant number, since it is smaller than the sum of its proper divisors (2334709140).

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

1230323100 is a wasteful number, since it uses less digits than its factorization.

1230323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119 (or 6112 counting only the distinct ones).

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

The square root of 1230323100 is about 35075.9618542386. The cubic root of 1230323100 is about 1071.5350779202.

Adding to 1230323100 its reverse (13230321), we get a palindrome (1243553421).

The spelling of 1230323100 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, one hundred".