2152312343 has 16 divisors (see below), whose sum is σ = 2400904800. Its totient is φ = 1920683520.

The previous prime is 2152312321. The next prime is 2152312367. The reversal of 2152312343 is 3432132512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2152312343 - 2¹⁶ = 2152246807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152312303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25046 + ... + 70227.

It is an arithmetic number, because the mean of its divisors is an integer number (150056550).

Almost surely, 2^2152312343 is an apocalyptic number.

2152312343 is a deficient number, since it is larger than the sum of its proper divisors (248592457).

2152312343 is a wasteful number, since it uses less digits than its factorization.

2152312343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95362.

The product of its digits is 4320, while the sum is 26.

The square root of 2152312343 is about 46393.0204125577. The cubic root of 2152312343 is about 1291.1254211362.

Adding to 2152312343 its reverse (3432132512), we get a palindrome (5584444855).

The spelling of 2152312343 in words is "two billion, one hundred fifty-two million, three hundred twelve thousand, three hundred forty-three".