1230043650 has 192 divisors, whose sum is σ = 3444100992. Its totient is φ = 290400000.

The previous prime is 1230043643. The next prime is 1230043669. The reversal of 1230043650 is 563400321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230043650.

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, 12178600 + ... + 12178700.

It is an arithmetic number, because the mean of its divisors is an integer number (17938026).

Almost surely, 2^1230043650 is an apocalyptic number.

1230043650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230043650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722050496).

1230043650 is an abundant number, since it is smaller than the sum of its proper divisors (2214057342).

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

1230043650 is a wasteful number, since it uses less digits than its factorization.

1230043650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1230043650 is about 35071.9781306957. The cubic root of 1230043650 is about 1071.4539439071.

Adding to 1230043650 its reverse (563400321), we get a palindrome (1793443971).

The spelling of 1230043650 in words is "one billion, two hundred thirty million, forty-three thousand, six hundred fifty".