23681237 has 8 divisors (see below), whose sum is σ = 25117440. Its totient is φ = 22278960.

The previous prime is 23681227. The next prime is 23681249. The reversal of 23681237 is 73218632.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23681237 - 2¹⁴ = 23664853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23681227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7037 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (3139680).

Almost surely, 2^23681237 is an apocalyptic number.

It is an amenable number.

23681237 is a deficient number, since it is larger than the sum of its proper divisors (1436203).

23681237 is a wasteful number, since it uses less digits than its factorization.

23681237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its digits is 12096, while the sum is 32.

The square root of 23681237 is about 4866.3371235458. The cubic root of 23681237 is about 287.1671742717.

Adding to 23681237 its reverse (73218632), we get a palindrome (96899869).

The spelling of 23681237 in words is "twenty-three million, six hundred eighty-one thousand, two hundred thirty-seven".