23033130 has 64 divisors (see below), whose sum is σ = 61637760. Its totient is φ = 5474304.

The previous prime is 23033119. The next prime is 23033137. The reversal of 23033130 is 3133032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23033137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8502 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (963090).

Almost surely, 2^23033130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23033130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30818880).

23033130 is an abundant number, since it is smaller than the sum of its proper divisors (38604630).

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

23033130 is a wasteful number, since it uses less digits than its factorization.

23033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 23033130 is about 4799.2843216463. The cubic root of 23033130 is about 284.5231793058.

Adding to 23033130 its reverse (3133032), we get a palindrome (26166162).

The spelling of 23033130 in words is "twenty-three million, thirty-three thousand, one hundred thirty".