23043789 has 24 divisors (see below), whose sum is σ = 37103040. Its totient is φ = 13696128.

The previous prime is 23043781. The next prime is 23043793. The reversal of 23043789 is 98734032.

It is not a de Polignac number, because 23043789 - 2³ = 23043781 is a prime.

It is a super-2 number, since 2×23043789² = 1062032422953042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (1545960).

Almost surely, 2^23043789 is an apocalyptic number.

It is an amenable number.

23043789 is a deficient number, since it is larger than the sum of its proper divisors (14059251).

23043789 is a wasteful number, since it uses less digits than its factorization.

23043789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23043789 is about 4800.3946712744. The cubic root of 23043789 is about 284.5670619634.

It can be divided in two parts, 23043 and 789, that added together give a palindrome (23832).

The spelling of 23043789 in words is "twenty-three million, forty-three thousand, seven hundred eighty-nine".