23612345 has 16 divisors (see below), whose sum is σ = 30000000. Its totient is φ = 17791488.

The previous prime is 23612339. The next prime is 23612363. The reversal of 23612345 is 54321632.

It is a cyclic number.

It is not a de Polignac number, because 23612345 - 2²² = 19418041 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18281 + ... + 19529.

It is an arithmetic number, because the mean of its divisors is an integer number (1875000).

Almost surely, 2^23612345 is an apocalyptic number.

It is an amenable number.

23612345 is a deficient number, since it is larger than the sum of its proper divisors (6387655).

23612345 is a wasteful number, since it uses less digits than its factorization.

23612345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its digits is 4320, while the sum is 26.

The square root of 23612345 is about 4859.2535434982. The cubic root of 23612345 is about 286.8884340976. Note that the first 3 decimals are identical.

Adding to 23612345 its reverse (54321632), we get a palindrome (77933977).

The spelling of 23612345 in words is "twenty-three million, six hundred twelve thousand, three hundred forty-five".