23789240 has 32 divisors (see below), whose sum is σ = 54265680. Its totient is φ = 9384192.

The previous prime is 23789231. The next prime is 23789243. The reversal of 23789240 is 4298732.

It is a self number, because there is not a number n which added to its sum of digits gives 23789240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23789243) 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, 1154 + ... + 6993.

Almost surely, 2^23789240 is an apocalyptic number.

23789240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23789240 is an abundant number, since it is smaller than the sum of its proper divisors (30476440).

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

23789240 is a wasteful number, since it uses less digits than its factorization.

23789240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231 (or 8227 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 23789240 is about 4877.4214499057. The cubic root of 23789240 is about 287.6030733131.

The spelling of 23789240 in words is "twenty-three million, seven hundred eighty-nine thousand, two hundred forty".