2112303423 has 4 divisors (see below), whose sum is σ = 2816404568. Its totient is φ = 1408202280.

The previous prime is 2112303409. The next prime is 2112303517. The reversal of 2112303423 is 3243032112.

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

It is not a de Polignac number, because 2112303423 - 2²¹ = 2110206271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112303423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112301423) 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, 352050568 + ... + 352050573.

It is an arithmetic number, because the mean of its divisors is an integer number (704101142).

Almost surely, 2^2112303423 is an apocalyptic number.

2112303423 is a deficient number, since it is larger than the sum of its proper divisors (704101145).

2112303423 is an equidigital number, since it uses as much as digits as its factorization.

2112303423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704101144.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2112303423 is about 45959.8022515328. The cubic root of 2112303423 is about 1283.0751709557.

Adding to 2112303423 its reverse (3243032112), we get a palindrome (5355335535).

The spelling of 2112303423 in words is "two billion, one hundred twelve million, three hundred three thousand, four hundred twenty-three".