23780243 has 8 divisors (see below), whose sum is σ = 24480000. Its totient is φ = 23090760.

The previous prime is 23780231. The next prime is 23780249. The reversal of 23780243 is 34208732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23780243 - 2¹⁰ = 23779219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23780249) 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, 2258 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (3060000).

Almost surely, 2^23780243 is an apocalyptic number.

23780243 is a deficient number, since it is larger than the sum of its proper divisors (699757).

23780243 is an equidigital number, since it uses as much as digits as its factorization.

23780243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23780243 is about 4876.4990515738. The cubic root of 23780243 is about 287.5668119456.

Adding to 23780243 its reverse (34208732), we get a palindrome (57988975).

The spelling of 23780243 in words is "twenty-three million, seven hundred eighty thousand, two hundred forty-three".