2423400140423 has 4 divisors (see below), whose sum is σ = 2423412077328. Its totient is φ = 2423388203520.

The previous prime is 2423400140393. The next prime is 2423400140479. The reversal of 2423400140423 is 3240410043242.

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 2423400140423 - 2²⁰ = 2423399091847 is a prime.

It is a super-2 number, since 2×2423400140423² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423400140723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5658563 + ... + 6071748.

It is an arithmetic number, because the mean of its divisors is an integer number (605853019332).

Almost surely, 2^{2423400140423} is an apocalyptic number.

2423400140423 is a deficient number, since it is larger than the sum of its proper divisors (11936905).

2423400140423 is a wasteful number, since it uses less digits than its factorization.

2423400140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11936904.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2423400140423 its reverse (3240410043242), we get a palindrome (5663810183665).

The spelling of 2423400140423 in words is "two trillion, four hundred twenty-three billion, four hundred million, one hundred forty thousand, four hundred twenty-three".