23000320 has 144 divisors (see below), whose sum is σ = 67108608. Its totient is φ = 7372800.

The previous prime is 23000311. The next prime is 23000323. The reversal of 23000320 is 2300032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 23000297 and 23000306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152245 + ... + 152395.

It is an arithmetic number, because the mean of its divisors is an integer number (466032).

Almost surely, 2^23000320 is an apocalyptic number.

23000320 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 23000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33554304).

23000320 is an abundant number, since it is smaller than the sum of its proper divisors (44108288).

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

23000320 is a wasteful number, since it uses less digits than its factorization.

23000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 23000320 is about 4795.8648855029. The cubic root of 23000320 is about 284.3880168739.

23000320 divided by its sum of digits (10) gives a palindrome (2300032).

Adding to 23000320 its reverse (2300032), we get a palindrome (25300352).

The spelling of 23000320 in words is "twenty-three million, three hundred twenty", and thus it is an aban number.