2423921443 has 4 divisors (see below), whose sum is σ = 2429519848. Its totient is φ = 2418323040.

The previous prime is 2423921441. The next prime is 2423921453. The reversal of 2423921443 is 3441293242.

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 2423921443 - 2¹ = 2423921441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2423921399 and 2423921408.

It is not an unprimeable number, because it can be changed into a prime (2423921441) 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, 2798553 + ... + 2799418.

It is an arithmetic number, because the mean of its divisors is an integer number (607379962).

Almost surely, 2^2423921443 is an apocalyptic number.

2423921443 is a deficient number, since it is larger than the sum of its proper divisors (5598405).

2423921443 is an equidigital number, since it uses as much as digits as its factorization.

2423921443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598404.

The product of its digits is 41472, while the sum is 34.

The square root of 2423921443 is about 49233.3367039042. The cubic root of 2423921443 is about 1343.2994807780.

The spelling of 2423921443 in words is "two billion, four hundred twenty-three million, nine hundred twenty-one thousand, four hundred forty-three".