23120224 has 24 divisors (see below), whose sum is σ = 45630648. Its totient is φ = 11531520.

The previous prime is 23120191. The next prime is 23120249. The reversal of 23120224 is 42202132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 23120198 and 23120207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19159 + ... + 20329.

It is an arithmetic number, because the mean of its divisors is an integer number (1901277).

Almost surely, 2^23120224 is an apocalyptic number.

It is an amenable number.

23120224 is a deficient number, since it is larger than the sum of its proper divisors (22510424).

23120224 is a wasteful number, since it uses less digits than its factorization.

23120224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23120224 is about 4808.3494049414. The cubic root of 23120224 is about 284.8813459087.

Adding to 23120224 its reverse (42202132), we get a palindrome (65322356).

The spelling of 23120224 in words is "twenty-three million, one hundred twenty thousand, two hundred twenty-four".