2312040234 has 16 divisors (see below), whose sum is σ = 5284663488. Its totient is φ = 660582912.

The previous prime is 2312040197. The next prime is 2312040259. The reversal of 2312040234 is 4320402132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312040234.

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, 27524247 + ... + 27524330.

It is an arithmetic number, because the mean of its divisors is an integer number (330291468).

Almost surely, 2^2312040234 is an apocalyptic number.

2312040234 is an abundant number, since it is smaller than the sum of its proper divisors (2972623254).

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

2312040234 is a wasteful number, since it uses less digits than its factorization.

2312040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55048589.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2312040234 is about 48083.6794973097. The cubic root of 2312040234 is about 1322.3054739657.

Adding to 2312040234 its reverse (4320402132), we get a palindrome (6632442366).

The spelling of 2312040234 in words is "two billion, three hundred twelve million, forty thousand, two hundred thirty-four".