23043423 has 16 divisors (see below), whose sum is σ = 33202400. Its totient is φ = 14131584.

The previous prime is 23043407. The next prime is 23043437. The reversal of 23043423 is 32434032.

It is not a de Polignac number, because 23043423 - 2⁴ = 23043407 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 23043423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043403) 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, 12765 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (2075150).

Almost surely, 2^23043423 is an apocalyptic number.

23043423 is a deficient number, since it is larger than the sum of its proper divisors (10158977).

23043423 is a wasteful number, since it uses less digits than its factorization.

23043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23043423 is about 4800.3565492576. The cubic root of 23043423 is about 284.5655553811.

Adding to 23043423 its reverse (32434032), we get a palindrome (55477455).

The spelling of 23043423 in words is "twenty-three million, forty-three thousand, four hundred twenty-three".