23275380 has 96 divisors (see below), whose sum is σ = 72696960. Its totient is φ = 5529600.

The previous prime is 23275367. The next prime is 23275381. The reversal of 23275380 is 8357232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23275381) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18780 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (757260).

Almost surely, 2^23275380 is an apocalyptic number.

23275380 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 23275380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36348480).

23275380 is an abundant number, since it is smaller than the sum of its proper divisors (49421580).

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

23275380 is a wasteful number, since it uses less digits than its factorization.

23275380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 23275380 is about 4824.4564460673. The cubic root of 23275380 is about 285.5171895433.

The spelling of 23275380 in words is "twenty-three million, two hundred seventy-five thousand, three hundred eighty".