23143323423 has 16 divisors (see below), whose sum is σ = 34484067072. Its totient is φ = 13684152000.

The previous prime is 23143323409. The next prime is 23143323433. The reversal of 23143323423 is 32432334132.

It is not a de Polignac number, because 23143323423 - 2⁵ = 23143323391 is a prime.

It is a super-2 number, since 2×23143323423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143323433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8551243 + ... + 8553948.

It is an arithmetic number, because the mean of its divisors is an integer number (2155254192).

Almost surely, 2^23143323423 is an apocalyptic number.

23143323423 is a deficient number, since it is larger than the sum of its proper divisors (11340743649).

23143323423 is a wasteful number, since it uses less digits than its factorization.

23143323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105246.

The product of its digits is 31104, while the sum is 30.

Adding to 23143323423 its reverse (32432334132), we get a palindrome (55575657555).

The spelling of 23143323423 in words is "twenty-three billion, one hundred forty-three million, three hundred twenty-three thousand, four hundred twenty-three".