2400434423 has 4 divisors (see below), whose sum is σ = 2402286480. Its totient is φ = 2398582368.

The previous prime is 2400434419. The next prime is 2400434441. The reversal of 2400434423 is 3244340042.

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 2400434423 - 2² = 2400434419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400434392 and 2400434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400434923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924083 + ... + 926676.

It is an arithmetic number, because the mean of its divisors is an integer number (600571620).

Almost surely, 2^2400434423 is an apocalyptic number.

2400434423 is a deficient number, since it is larger than the sum of its proper divisors (1852057).

2400434423 is a wasteful number, since it uses less digits than its factorization.

2400434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852056.

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

The square root of 2400434423 is about 48994.2284662183. The cubic root of 2400434423 is about 1338.9466778103.

Adding to 2400434423 its reverse (3244340042), we get a palindrome (5644774465).

The spelling of 2400434423 in words is "two billion, four hundred million, four hundred thirty-four thousand, four hundred twenty-three".