23430665 has 4 divisors (see below), whose sum is σ = 28116804. Its totient is φ = 18744528.

The previous prime is 23430653. The next prime is 23430677. The reversal of 23430665 is 56603432.

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

It is an interprime number because it is at equal distance from previous prime (23430653) and next prime (23430677).

It can be written as a sum of positive squares in 2 ways, for example, as 15768841 + 7661824 = 3971^2 + 2768^2 .

It is a cyclic number.

It is not a de Polignac number, because 23430665 - 2⁸ = 23430409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343062 + ... + 2343071.

It is an arithmetic number, because the mean of its divisors is an integer number (7029201).

Almost surely, 2^23430665 is an apocalyptic number.

It is an amenable number.

23430665 is a deficient number, since it is larger than the sum of its proper divisors (4686139).

23430665 is an equidigital number, since it uses as much as digits as its factorization.

23430665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686138.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 23430665 is about 4840.5232155212. The cubic root of 23430665 is about 286.1507388337.

The spelling of 23430665 in words is "twenty-three million, four hundred thirty thousand, six hundred sixty-five".