23827445 has 18 divisors (see below), whose sum is σ = 29893122. Its totient is φ = 18232416.

The previous prime is 23827439. The next prime is 23827457. The reversal of 23827445 is 54472832.

It can be written as a sum of positive squares in 3 ways, for example, as 11710084 + 12117361 = 3422^2 + 3481^2 .

It is not a de Polignac number, because 23827445 - 2¹⁰ = 23826421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 403826 + ... + 403884.

It is an arithmetic number, because the mean of its divisors is an integer number (1660729).

Almost surely, 2^23827445 is an apocalyptic number.

It is an amenable number.

23827445 is a deficient number, since it is larger than the sum of its proper divisors (6065677).

23827445 is an frugal number, since it uses more digits than its factorization.

23827445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 101 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 23827445 is about 4881.3363948820. The cubic root of 23827445 is about 287.7569523856.

It can be divided in two parts, 2382 and 7445, that multiplied together give a triangular number (17733990 = T₅₉₅₅).

The spelling of 23827445 in words is "twenty-three million, eight hundred twenty-seven thousand, four hundred forty-five".