1230312300 has 72 divisors (see below), whose sum is σ = 4068239616. Its totient is φ = 281213760.

The previous prime is 1230312277. The next prime is 1230312311. The reversal of 1230312300 is 32130321.

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 1230312300.

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, 290832 + ... + 295031.

It is an arithmetic number, because the mean of its divisors is an integer number (56503328).

Almost surely, 2^1230312300 is an apocalyptic number.

1230312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230312300 is an abundant number, since it is smaller than the sum of its proper divisors (2837927316).

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

1230312300 is a wasteful number, since it uses less digits than its factorization.

1230312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585887 (or 585880 counting only the distinct ones).

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

The square root of 1230312300 is about 35075.8079023135. The cubic root of 1230312300 is about 1071.5319425344.

Adding to 1230312300 its reverse (32130321), we get a palindrome (1262442621).

The spelling of 1230312300 in words is "one billion, two hundred thirty million, three hundred twelve thousand, three hundred".