23770243 has 16 divisors (see below), whose sum is σ = 28484800. Its totient is φ = 19813248.

The previous prime is 23770207. The next prime is 23770259. The reversal of 23770243 is 34207732.

It is not a de Polignac number, because 23770243 - 2⁹ = 23769731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23776243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11755 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (1780300).

Almost surely, 2^23770243 is an apocalyptic number.

23770243 is a deficient number, since it is larger than the sum of its proper divisors (4714557).

23770243 is an equidigital number, since it uses as much as digits as its factorization.

23770243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 23770243 is about 4875.4736180191. The cubic root of 23770243 is about 287.5264973688.

Adding to 23770243 its reverse (34207732), we get a palindrome (57977975).

The spelling of 23770243 in words is "twenty-three million, seven hundred seventy thousand, two hundred forty-three".