2312455443 has 16 divisors (see below), whose sum is σ = 3219194880. Its totient is φ = 1473754304.

The previous prime is 2312455441. The next prime is 2312455493. The reversal of 2312455443 is 3445542132.

It is a cyclic number.

It is not a de Polignac number, because 2312455443 - 2¹ = 2312455441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312455441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123238 + ... + 140756.

It is an arithmetic number, because the mean of its divisors is an integer number (201199680).

Almost surely, 2^2312455443 is an apocalyptic number.

2312455443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2312455443 is a deficient number, since it is larger than the sum of its proper divisors (906739437).

2312455443 is a wasteful number, since it uses less digits than its factorization.

2312455443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458.

The product of its digits is 57600, while the sum is 33.

The square root of 2312455443 is about 48087.9968703210. The cubic root of 2312455443 is about 1322.3846248765.

Adding to 2312455443 its reverse (3445542132), we get a palindrome (5757997575).

The spelling of 2312455443 in words is "two billion, three hundred twelve million, four hundred fifty-five thousand, four hundred forty-three".