2312443403 has 4 divisors (see below), whose sum is σ = 2312669208. Its totient is φ = 2312217600.

The previous prime is 2312443387. The next prime is 2312443417. The reversal of 2312443403 is 3043442132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312443403 - 2⁴ = 2312443387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312443453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96773 + ... + 118278.

It is an arithmetic number, because the mean of its divisors is an integer number (578167302).

Almost surely, 2^2312443403 is an apocalyptic number.

2312443403 is a deficient number, since it is larger than the sum of its proper divisors (225805).

2312443403 is a wasteful number, since it uses less digits than its factorization.

2312443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225804.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2312443403 is about 48087.8716829930. The cubic root of 2312443403 is about 1322.3823298357.

Adding to 2312443403 its reverse (3043442132), we get a palindrome (5355885535).

The spelling of 2312443403 in words is "two billion, three hundred twelve million, four hundred forty-three thousand, four hundred three".