23275420 has 72 divisors (see below), whose sum is σ = 58054752. Its totient is φ = 7678080.

The previous prime is 23275409. The next prime is 23275423. The reversal of 23275420 is 2457232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23275423) 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 23 ways as a sum of consecutive naturals, for example, 134454 + ... + 134626.

It is an arithmetic number, because the mean of its divisors is an integer number (806316).

Almost surely, 2^23275420 is an apocalyptic number.

23275420 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 23275420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29027376).

23275420 is an abundant number, since it is smaller than the sum of its proper divisors (34779332).

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

23275420 is a wasteful number, since it uses less digits than its factorization.

23275420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23275420 is about 4824.4605916102. The cubic root of 23275420 is about 285.5173531021.

The spelling of 23275420 in words is "twenty-three million, two hundred seventy-five thousand, four hundred twenty".