23797845 has 24 divisors (see below), whose sum is σ = 42367416. Its totient is φ = 12348288.

The previous prime is 23797819. The next prime is 23797849. The reversal of 23797845 is 54879732.

It can be written as a sum of positive squares in 4 ways, for example, as 815409 + 22982436 = 903^2 + 4794^2 .

It is not a de Polignac number, because 23797845 - 2¹¹ = 23795797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23797845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23797849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5482 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (1765309).

Almost surely, 2^23797845 is an apocalyptic number.

It is an amenable number.

23797845 is a deficient number, since it is larger than the sum of its proper divisors (18569571).

23797845 is a wasteful number, since it uses less digits than its factorization.

23797845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341 (or 14338 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 23797845 is about 4878.3034960937. The cubic root of 23797845 is about 287.6377462172.

It can be divided in two parts, 23797 and 845, that added together give a palindrome (24642).

The spelling of 23797845 in words is "twenty-three million, seven hundred ninety-seven thousand, eight hundred forty-five".