23954985 has 12 divisors (see below), whose sum is σ = 41522052. Its totient is φ = 12775968.

The previous prime is 23954977. The next prime is 23955013. The reversal of 23954985 is 58945932.

23954985 is a `hidden beast` number, since 23 + 9 + 549 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 7601049 = 4044^2 + 2757^2 .

It is not a de Polignac number, because 23954985 - 2³ = 23954977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 532333 = 23954985 / (2 + 3 + 9 + 5 + 4 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23954985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266122 + ... + 266211.

It is an arithmetic number, because the mean of its divisors is an integer number (3460171).

Almost surely, 2^23954985 is an apocalyptic number.

It is an amenable number.

23954985 is a deficient number, since it is larger than the sum of its proper divisors (17567067).

23954985 is a wasteful number, since it uses less digits than its factorization.

23954985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532344 (or 532341 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 23954985 is about 4894.3830050375. The cubic root of 23954985 is about 288.2694599029.

The spelling of 23954985 in words is "twenty-three million, nine hundred fifty-four thousand, nine hundred eighty-five".