23618345 has 8 divisors (see below), whose sum is σ = 28623240. Its totient is φ = 18707200.

The previous prime is 23618339. The next prime is 23618351. The reversal of 23618345 is 54381632.

It is an interprime number because it is at equal distance from previous prime (23618339) and next prime (23618351).

It can be written as a sum of positive squares in 4 ways, for example, as 4713241 + 18905104 = 2171^2 + 4348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23618345 - 2⁶ = 23618281 is a prime.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22880 + ... + 23889.

It is an arithmetic number, because the mean of its divisors is an integer number (3577905).

Almost surely, 2^23618345 is an apocalyptic number.

It is an amenable number.

23618345 is a deficient number, since it is larger than the sum of its proper divisors (5004895).

23618345 is a wasteful number, since it uses less digits than its factorization.

23618345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46875.

The product of its digits is 17280, while the sum is 32.

The square root of 23618345 is about 4859.8708830585. The cubic root of 23618345 is about 286.9127319078.

Adding to 23618345 its reverse (54381632), we get a palindrome (77999977).

It can be divided in two parts, 236 and 18345, that added together give a palindrome (18581).

The spelling of 23618345 in words is "twenty-three million, six hundred eighteen thousand, three hundred forty-five".