23861013 has 16 divisors (see below), whose sum is σ = 36749376. Its totient is φ = 13610240.

The previous prime is 23861003. The next prime is 23861021. The reversal of 23861013 is 31016832.

It is a cyclic number.

It is not a de Polignac number, because 23861013 - 2⁵ = 23860981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23861003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20706 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (2296836).

Almost surely, 2^23861013 is an apocalyptic number.

It is an amenable number.

23861013 is a deficient number, since it is larger than the sum of its proper divisors (12888363).

23861013 is a wasteful number, since it uses less digits than its factorization.

23861013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42564.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23861013 is about 4884.7735873836. The cubic root of 23861013 is about 287.8920192224.

Adding to 23861013 its reverse (31016832), we get a palindrome (54877845).

The spelling of 23861013 in words is "twenty-three million, eight hundred sixty-one thousand, thirteen".