23423440010423 has 4 divisors (see below), whose sum is σ = 23807430830328. Its totient is φ = 23039449190520.

The previous prime is 23423440010417. The next prime is 23423440010471. The reversal of 23423440010423 is 32401004432432.

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 23423440010423 - 2¹² = 23423440006327 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 23423440010423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423440013423) 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, 191995409861 + ... + 191995409982.

It is an arithmetic number, because the mean of its divisors is an integer number (5951857707582).

Almost surely, 2^{23423440010423} is an apocalyptic number.

23423440010423 is a deficient number, since it is larger than the sum of its proper divisors (383990819905).

23423440010423 is an equidigital number, since it uses as much as digits as its factorization.

23423440010423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383990819904.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23423440010423 its reverse (32401004432432), we get a palindrome (55824444442855).

The spelling of 23423440010423 in words is "twenty-three trillion, four hundred twenty-three billion, four hundred forty million, ten thousand, four hundred twenty-three".