2312355646 has 16 divisors (see below), whose sum is σ = 3656659104. Its totient is φ = 1094505984.

The previous prime is 2312355641. The next prime is 2312355677. The reversal of 2312355646 is 6465532132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312355641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254655 + ... + 263578.

It is an arithmetic number, because the mean of its divisors is an integer number (228541194).

Almost surely, 2^2312355646 is an apocalyptic number.

2312355646 is a deficient number, since it is larger than the sum of its proper divisors (1344303458).

2312355646 is a wasteful number, since it uses less digits than its factorization.

2312355646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518355.

The product of its digits is 129600, while the sum is 37.

The square root of 2312355646 is about 48086.9592093324. The cubic root of 2312355646 is about 1322.3656015309.

Adding to 2312355646 its reverse (6465532132), we get a palindrome (8777887778).

The spelling of 2312355646 in words is "two billion, three hundred twelve million, three hundred fifty-five thousand, six hundred forty-six".