23408545 has 16 divisors (see below), whose sum is σ = 28984320. Its totient is φ = 18140544.

The previous prime is 23408537. The next prime is 23408579. The reversal of 23408545 is 54580432.

It is a cyclic number.

It is not a de Polignac number, because 23408545 - 2³ = 23408537 is a prime.

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, 20992 + ... + 22078.

It is an arithmetic number, because the mean of its divisors is an integer number (1811520).

Almost surely, 2^23408545 is an apocalyptic number.

It is an amenable number.

23408545 is a deficient number, since it is larger than the sum of its proper divisors (5575775).

23408545 is a wasteful number, since it uses less digits than its factorization.

23408545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 23408545 is about 4838.2377990339. The cubic root of 23408545 is about 286.0606624708.

Adding to 23408545 its reverse (54580432), we get a palindrome (77988977).

The spelling of 23408545 in words is "twenty-three million, four hundred eight thousand, five hundred forty-five".