23040424 has 16 divisors (see below), whose sum is σ = 47128320. Its totient is φ = 10472880.

The previous prime is 23040403. The next prime is 23040427. The reversal of 23040424 is 42404032.

It is a super-2 number, since 2×23040424² = 1061722276199552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23040427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130824 + ... + 130999.

It is an arithmetic number, because the mean of its divisors is an integer number (2945520).

Almost surely, 2^23040424 is an apocalyptic number.

It is an amenable number.

23040424 is an abundant number, since it is smaller than the sum of its proper divisors (24087896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23040424 is a wasteful number, since it uses less digits than its factorization.

23040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261840 (or 261836 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23040424 is about 4800.0441664635. The cubic root of 23040424 is about 284.5532098610.

Adding to 23040424 its reverse (42404032), we get a palindrome (65444456).

The spelling of 23040424 in words is "twenty-three million, forty thousand, four hundred twenty-four".