23260840 has 16 divisors (see below), whose sum is σ = 52336980. Its totient is φ = 9304320.

The previous prime is 23260823. The next prime is 23260841. The reversal of 23260840 is 4806232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22410756 + 850084 = 4734^2 + 922^2 .

It is not an unprimeable number, because it can be changed into a prime (23260841) 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 3 ways as a sum of consecutive naturals, for example, 290721 + ... + 290800.

Almost surely, 2^23260840 is an apocalyptic number.

23260840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23260840 is an abundant number, since it is smaller than the sum of its proper divisors (29076140).

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

23260840 is a wasteful number, since it uses less digits than its factorization.

23260840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581532 (or 581528 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23260840 is about 4822.9493051451. The cubic root of 23260840 is about 285.4577234939.

The spelling of 23260840 in words is "twenty-three million, two hundred sixty thousand, eight hundred forty".