23247320 has 16 divisors (see below), whose sum is σ = 52306560. Its totient is φ = 9298912.

The previous prime is 23247293. The next prime is 23247331. The reversal of 23247320 is 2374232.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 290552 + ... + 290631.

It is an arithmetic number, because the mean of its divisors is an integer number (3269160).

Almost surely, 2^23247320 is an apocalyptic number.

23247320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23247320 is an abundant number, since it is smaller than the sum of its proper divisors (29059240).

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

23247320 is a wasteful number, since it uses less digits than its factorization.

23247320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581194 (or 581190 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23247320 is about 4821.5474694334. The cubic root of 23247320 is about 285.4024068272.

The spelling of 23247320 in words is "twenty-three million, two hundred forty-seven thousand, three hundred twenty".