23053545 has 16 divisors (see below), whose sum is σ = 40984320. Its totient is φ = 12295152.

The previous prime is 23053523. The next prime is 23053571. The reversal of 23053545 is 54535032.

23053545 is a `hidden beast` number, since 2 + 305 + 354 + 5 = 666.

It is not a de Polignac number, because 23053545 - 2¹⁸ = 22791401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85249 + ... + 85518.

It is an arithmetic number, because the mean of its divisors is an integer number (2561520).

Almost surely, 2^23053545 is an apocalyptic number.

It is an amenable number.

23053545 is a deficient number, since it is larger than the sum of its proper divisors (17930775).

23053545 is a wasteful number, since it uses less digits than its factorization.

23053545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170781 (or 170775 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 23053545 is about 4801.4107301917. The cubic root of 23053545 is about 284.6072151483.

Adding to 23053545 its reverse (54535032), we get a palindrome (77588577).

The spelling of 23053545 in words is "twenty-three million, fifty-three thousand, five hundred forty-five".