23442280 has 16 divisors (see below), whose sum is σ = 52745220. Its totient is φ = 9376896.

The previous prime is 23442259. The next prime is 23442299. The reversal of 23442280 is 8224432.

It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 917764 = 4746^2 + 958^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 292989 + ... + 293068.

Almost surely, 2^23442280 is an apocalyptic number.

23442280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23442280 is an abundant number, since it is smaller than the sum of its proper divisors (29302940).

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

23442280 is a wasteful number, since it uses less digits than its factorization.

23442280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586068 (or 586064 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 23442280 is about 4841.7228338681. The cubic root of 23442280 is about 286.1980143704.

It can be divided in two parts, 2344 and 2280, that added together give a square (4624 = 68²).

The spelling of 23442280 in words is "twenty-three million, four hundred forty-two thousand, two hundred eighty".