23163120 has 120 divisors (see below), whose sum is σ = 79387776. Its totient is φ = 6050304.

The previous prime is 23163097. The next prime is 23163131. The reversal of 23163120 is 2136132.

23163120 is a `hidden beast` number, since 2 + 31 + 631 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23163093 and 23163102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37857 + ... + 38463.

Almost surely, 2^23163120 is an apocalyptic number.

23163120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23163120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39693888).

23163120 is an abundant number, since it is smaller than the sum of its proper divisors (56224656).

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

23163120 is a wasteful number, since it uses less digits than its factorization.

23163120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23163120 is about 4812.8079122275. The cubic root of 23163120 is about 285.0574214863.

Adding to 23163120 its reverse (2136132), we get a palindrome (25299252).

The spelling of 23163120 in words is "twenty-three million, one hundred sixty-three thousand, one hundred twenty".