23113861 has 12 divisors (see below), whose sum is σ = 24790080. Its totient is φ = 21490920.

The previous prime is 23113847. The next prime is 23113901. The reversal of 23113861 is 16831132.

It is not a de Polignac number, because 23113861 - 2¹⁷ = 22982789 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 (23113061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85156 + ... + 85426.

It is an arithmetic number, because the mean of its divisors is an integer number (2065840).

Almost surely, 2^23113861 is an apocalyptic number.

It is an amenable number.

23113861 is a deficient number, since it is larger than the sum of its proper divisors (1676219).

23113861 is an equidigital number, since it uses as much as digits as its factorization.

23113861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 357 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 23113861 is about 4807.6876978439. The cubic root of 23113861 is about 284.8552091042.

Adding to 23113861 its reverse (16831132), we get a palindrome (39944993).

The spelling of 23113861 in words is "twenty-three million, one hundred thirteen thousand, eight hundred sixty-one".