23881740 has 24 divisors (see below), whose sum is σ = 66869040. Its totient is φ = 6368448.

The previous prime is 23881717. The next prime is 23881763. The reversal of 23881740 is 4718832.

It is an interprime number because it is at equal distance from previous prime (23881717) and next prime (23881763).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198955 + ... + 199074.

It is an arithmetic number, because the mean of its divisors is an integer number (2786210).

Almost surely, 2^23881740 is an apocalyptic number.

23881740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23881740 is an abundant number, since it is smaller than the sum of its proper divisors (42987300).

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

23881740 is a wasteful number, since it uses less digits than its factorization.

23881740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398041 (or 398039 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 23881740 is about 4886.8947195535. The cubic root of 23881740 is about 287.9753547584.

The spelling of 23881740 in words is "twenty-three million, eight hundred eighty-one thousand, seven hundred forty".