23070280 has 16 divisors (see below), whose sum is σ = 51908220. Its totient is φ = 9228096.

The previous prime is 23070259. The next prime is 23070287. The reversal of 23070280 is 8207032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21215236 + 1855044 = 4606^2 + 1362^2 .

It is not an unprimeable number, because it can be changed into a prime (23070287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288339 + ... + 288418.

Almost surely, 2^23070280 is an apocalyptic number.

23070280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23070280 is an abundant number, since it is smaller than the sum of its proper divisors (28837940).

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

23070280 is a wasteful number, since it uses less digits than its factorization.

23070280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576768 (or 576764 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 23070280 is about 4803.1531310172. The cubic root of 23070280 is about 284.6760657266.

The spelling of 23070280 in words is "twenty-three million, seventy thousand, two hundred eighty".