1230351340 has 24 divisors (see below), whose sum is σ = 2585413152. Its totient is φ = 491821440.

The previous prime is 1230351323. The next prime is 1230351347. The reversal of 1230351340 is 431530321.

It is not an unprimeable number, because it can be changed into a prime (1230351347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13000 + ... + 51280.

It is an arithmetic number, because the mean of its divisors is an integer number (107725548).

Almost surely, 2^1230351340 is an apocalyptic number.

1230351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230351340 is an abundant number, since it is smaller than the sum of its proper divisors (1355061812).

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

1230351340 is a wasteful number, since it uses less digits than its factorization.

1230351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39897 (or 39895 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230351340 is about 35076.3644068196. The cubic root of 1230351340 is about 1071.5432762867.

Adding to 1230351340 its reverse (431530321), we get a palindrome (1661881661).

The spelling of 1230351340 in words is "one billion, two hundred thirty million, three hundred fifty-one thousand, three hundred forty".