23124405 has 16 divisors (see below), whose sum is σ = 37125504. Its totient is φ = 12290880.

The previous prime is 23124359. The next prime is 23124449. The reversal of 23124405 is 50442132.

It is not a de Polignac number, because 23124405 - 2¹⁰ = 23123381 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (2320344).

Almost surely, 2^23124405 is an apocalyptic number.

It is an amenable number.

23124405 is a deficient number, since it is larger than the sum of its proper divisors (14001099).

23124405 is a wasteful number, since it uses less digits than its factorization.

23124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23124405 is about 4808.7841498657. The cubic root of 23124405 is about 284.8985172694.

Adding to 23124405 its reverse (50442132), we get a palindrome (73566537).

The spelling of 23124405 in words is "twenty-three million, one hundred twenty-four thousand, four hundred five".