23681949 has 8 divisors (see below), whose sum is σ = 32310432. Its totient is φ = 15420720.

The previous prime is 23681947. The next prime is 23681971. The reversal of 23681949 is 94918632.

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

It is not a de Polignac number, because 23681949 - 2¹ = 23681947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23681949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23681941) 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, 91662 + ... + 91919.

It is an arithmetic number, because the mean of its divisors is an integer number (4038804).

Almost surely, 2^23681949 is an apocalyptic number.

It is an amenable number.

23681949 is a deficient number, since it is larger than the sum of its proper divisors (8628483).

23681949 is a wasteful number, since it uses less digits than its factorization.

23681949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183627.

The product of its digits is 93312, while the sum is 42.

The square root of 23681949 is about 4866.4102786346. The cubic root of 23681949 is about 287.1700522320.

The spelling of 23681949 in words is "twenty-three million, six hundred eighty-one thousand, nine hundred forty-nine".