2312230340 has 24 divisors (see below), whose sum is σ = 5549353152. Its totient is φ = 792764640.

The previous prime is 2312230339. The next prime is 2312230369. The reversal of 2312230340 is 430322132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257826 + ... + 8258105.

It is an arithmetic number, because the mean of its divisors is an integer number (231223048).

Almost surely, 2^2312230340 is an apocalyptic number.

2312230340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312230340 is an abundant number, since it is smaller than the sum of its proper divisors (3237122812).

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

2312230340 is a wasteful number, since it uses less digits than its factorization.

2312230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515947 (or 16515945 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2312230340 is about 48085.6562812654. The cubic root of 2312230340 is about 1322.3417148741.

Adding to 2312230340 its reverse (430322132), we get a palindrome (2742552472).

The spelling of 2312230340 in words is "two billion, three hundred twelve million, two hundred thirty thousand, three hundred forty".