23534645 has 8 divisors (see below), whose sum is σ = 28267704. Its totient is φ = 18810304.

The previous prime is 23534617. The next prime is 23534663. The reversal of 23534645 is 54643532.

It can be written as a sum of positive squares in 4 ways, for example, as 628849 + 22905796 = 793^2 + 4786^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23534645 - 2¹⁶ = 23469109 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8807 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (3533463).

Almost surely, 2^23534645 is an apocalyptic number.

It is an amenable number.

23534645 is a deficient number, since it is larger than the sum of its proper divisors (4733059).

23534645 is a wasteful number, since it uses less digits than its factorization.

23534645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its digits is 43200, while the sum is 32.

The square root of 23534645 is about 4851.2519002831. The cubic root of 23534645 is about 286.5734050028.

The spelling of 23534645 in words is "twenty-three million, five hundred thirty-four thousand, six hundred forty-five".