23432665 has 4 divisors (see below), whose sum is σ = 28119204. Its totient is φ = 18746128.

The previous prime is 23432663. The next prime is 23432687. The reversal of 23432665 is 56623432.

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 12595401 + 10837264 = 3549^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 23432665 - 2¹ = 23432663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23432663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343262 + ... + 2343271.

It is an arithmetic number, because the mean of its divisors is an integer number (7029801).

Almost surely, 2^23432665 is an apocalyptic number.

It is an amenable number.

23432665 is a deficient number, since it is larger than the sum of its proper divisors (4686539).

23432665 is an equidigital number, since it uses as much as digits as its factorization.

23432665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686538.

The product of its digits is 25920, while the sum is 31.

The square root of 23432665 is about 4840.7298003504. The cubic root of 23432665 is about 286.1588803752.

The spelling of 23432665 in words is "twenty-three million, four hundred thirty-two thousand, six hundred sixty-five".