23403423043 has 32 divisors (see below), whose sum is σ = 31534981632. Its totient is φ = 16773523200.

The previous prime is 23403423041. The next prime is 23403423083. The reversal of 23403423043 is 34032430432.

It is not a de Polignac number, because 23403423043 - 2¹ = 23403423041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23403423041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239680 + ... + 322882.

It is an arithmetic number, because the mean of its divisors is an integer number (985468176).

Almost surely, 2^23403423043 is an apocalyptic number.

23403423043 is a deficient number, since it is larger than the sum of its proper divisors (8131558589).

23403423043 is a wasteful number, since it uses less digits than its factorization.

23403423043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83515.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 23403423043 its reverse (34032430432), we get a palindrome (57435853475).

The spelling of 23403423043 in words is "twenty-three billion, four hundred three million, four hundred twenty-three thousand, forty-three".