23416861 has 4 divisors (see below), whose sum is σ = 25218172. Its totient is φ = 21615552.

The previous prime is 23416823. The next prime is 23416889. The reversal of 23416861 is 16861432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5616900 + 17799961 = 2370^2 + 4219^2 .

It is a cyclic number.

It is not a de Polignac number, because 23416861 - 2¹⁷ = 23285789 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 (23416061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900636 + ... + 900661.

It is an arithmetic number, because the mean of its divisors is an integer number (6304543).

Almost surely, 2^23416861 is an apocalyptic number.

It is an amenable number.

23416861 is a deficient number, since it is larger than the sum of its proper divisors (1801311).

23416861 is a wasteful number, since it uses less digits than its factorization.

23416861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801310.

The product of its digits is 6912, while the sum is 31.

The square root of 23416861 is about 4839.0971265309. The cubic root of 23416861 is about 286.0945332763.

The spelling of 23416861 in words is "twenty-three million, four hundred sixteen thousand, eight hundred sixty-one".