23885740 has 24 divisors (see below), whose sum is σ = 50767920. Its totient is φ = 9438528.

The previous prime is 23885723. The next prime is 23885747. The reversal of 23885740 is 4758832.

It is a self number, because there is not a number n which added to its sum of digits gives 23885740.

It is not an unprimeable number, because it can be changed into a prime (23885747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5535 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (2115330).

Almost surely, 2^23885740 is an apocalyptic number.

23885740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23885740 is an abundant number, since it is smaller than the sum of its proper divisors (26882180).

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

23885740 is a wasteful number, since it uses less digits than its factorization.

23885740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14479 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 23885740 is about 4887.3039602628. The cubic root of 23885740 is about 287.9914317153.

It can be divided in two parts, 2388 and 5740, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 23885740 in words is "twenty-three million, eight hundred eighty-five thousand, seven hundred forty".