23463865 has 4 divisors (see below), whose sum is σ = 28156644. Its totient is φ = 18771088.

The previous prime is 23463863. The next prime is 23463877. The reversal of 23463865 is 56836432.

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 8003241 + 15460624 = 2829^2 + 3932^2 .

It is a cyclic number.

It is not a de Polignac number, because 23463865 - 2¹ = 23463863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23463863) 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 3 ways as a sum of consecutive naturals, for example, 2346382 + ... + 2346391.

It is an arithmetic number, because the mean of its divisors is an integer number (7039161).

Almost surely, 2^23463865 is an apocalyptic number.

It is an amenable number.

23463865 is a deficient number, since it is larger than the sum of its proper divisors (4692779).

23463865 is an equidigital number, since it uses as much as digits as its factorization.

23463865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692778.

The product of its digits is 103680, while the sum is 37.

The square root of 23463865 is about 4843.9513829104. The cubic root of 23463865 is about 286.2858284832.

Adding to 23463865 its product of digits (103680), we get a triangular number (23567545 = T₆₈₆₅).

The spelling of 23463865 in words is "twenty-three million, four hundred sixty-three thousand, eight hundred sixty-five".