2423440403 has 4 divisors (see below), whose sum is σ = 2423604888. Its totient is φ = 2423275920.

The previous prime is 2423440351. The next prime is 2423440417. The reversal of 2423440403 is 3040443242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3040443242 = 2 ⋅1520221621.

It is a cyclic number.

It is not a de Polignac number, because 2423440403 - 2⁶ = 2423440339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423440463) 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, 57701 + ... + 90422.

It is an arithmetic number, because the mean of its divisors is an integer number (605901222).

Almost surely, 2^2423440403 is an apocalyptic number.

2423440403 is a deficient number, since it is larger than the sum of its proper divisors (164485).

2423440403 is a wasteful number, since it uses less digits than its factorization.

2423440403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164484.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2423440403 is about 49228.4511537789. The cubic root of 2423440403 is about 1343.2106132757.

Adding to 2423440403 its reverse (3040443242), we get a palindrome (5463883645).

The spelling of 2423440403 in words is "two billion, four hundred twenty-three million, four hundred forty thousand, four hundred three".