23543045 has 8 divisors (see below), whose sum is σ = 29913624. Its totient is φ = 17726464.

The previous prime is 23543029. The next prime is 23543089. The reversal of 23543045 is 54034532.

It can be written as a sum of positive squares in 4 ways, for example, as 11383876 + 12159169 = 3374^2 + 3487^2 .

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 23543045 - 2⁴ = 23543029 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, 138404 + ... + 138573.

It is an arithmetic number, because the mean of its divisors is an integer number (3739203).

Almost surely, 2^23543045 is an apocalyptic number.

It is an amenable number.

23543045 is a deficient number, since it is larger than the sum of its proper divisors (6370579).

23543045 is a wasteful number, since it uses less digits than its factorization.

23543045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276999.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23543045 is about 4852.1175789546. The cubic root of 23543045 is about 286.6074955993.

Adding to 23543045 its reverse (54034532), we get a palindrome (77577577).

The spelling of 23543045 in words is "twenty-three million, five hundred forty-three thousand, forty-five".