23630345 has 4 divisors (see below), whose sum is σ = 28356420. Its totient is φ = 18904272.

The previous prime is 23630317. The next prime is 23630351. The reversal of 23630345 is 54303632.

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 8357881 + 15272464 = 2891^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 23630345 - 2¹² = 23626249 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 2363030 + ... + 2363039.

It is an arithmetic number, because the mean of its divisors is an integer number (7089105).

Almost surely, 2^23630345 is an apocalyptic number.

It is an amenable number.

23630345 is a deficient number, since it is larger than the sum of its proper divisors (4726075).

23630345 is an equidigital number, since it uses as much as digits as its factorization.

23630345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726074.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 23630345 is about 4861.1053269807. The cubic root of 23630345 is about 286.9613151856.

Adding to 23630345 its reverse (54303632), we get a palindrome (77933977).

The spelling of 23630345 in words is "twenty-three million, six hundred thirty thousand, three hundred forty-five".