23867240 has 32 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 9521472.

The previous prime is 23867227. The next prime is 23867281. The reversal of 23867240 is 4276832.

It is a junction number, because it is equal to n+sod(n) for n = 23867197 and 23867206.

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 7 ways as a sum of consecutive naturals, for example, 23789 + ... + 24771.

It is an arithmetic number, because the mean of its divisors is an integer number (1682640).

Almost surely, 2^23867240 is an apocalyptic number.

23867240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23867240 is an abundant number, since it is smaller than the sum of its proper divisors (29977240).

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

23867240 is a wasteful number, since it uses less digits than its factorization.

23867240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 23867240 is about 4885.4109346093. The cubic root of 23867240 is about 287.9170607365.

The spelling of 23867240 in words is "twenty-three million, eight hundred sixty-seven thousand, two hundred forty".