23564769 has 8 divisors (see below), whose sum is σ = 33073440. Its totient is φ = 14882976.

The previous prime is 23564759. The next prime is 23564773. The reversal of 23564769 is 96746532.

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

It is not a de Polignac number, because 23564769 - 2⁴ = 23564753 is a prime.

It is a super-2 number, since 2×23564769² = 1110596676046722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23564769.

It is not an unprimeable number, because it can be changed into a prime (23564759) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 206652 + ... + 206765.

It is an arithmetic number, because the mean of its divisors is an integer number (4134180).

Almost surely, 2^23564769 is an apocalyptic number.

It is an amenable number.

23564769 is a deficient number, since it is larger than the sum of its proper divisors (9508671).

23564769 is a wasteful number, since it uses less digits than its factorization.

23564769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413439.

The product of its digits is 272160, while the sum is 42.

The square root of 23564769 is about 4854.3556730013. The cubic root of 23564769 is about 286.6956227887.

The spelling of 23564769 in words is "twenty-three million, five hundred sixty-four thousand, seven hundred sixty-nine".