23435145 has 24 divisors (see below), whose sum is σ = 40809600. Its totient is φ = 12440736.

The previous prime is 23435077. The next prime is 23435147. The reversal of 23435145 is 54153432.

It is not a de Polignac number, because 23435145 - 2¹⁹ = 22910857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23435147) 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 23 ways as a sum of consecutive naturals, for example, 9666 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (1700400).

Almost surely, 2^23435145 is an apocalyptic number.

It is an amenable number.

23435145 is a deficient number, since it is larger than the sum of its proper divisors (17374455).

23435145 is a wasteful number, since it uses less digits than its factorization.

23435145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 23435145 is about 4840.9859532951. The cubic root of 23435145 is about 286.1689752434.

Adding to 23435145 its reverse (54153432), we get a palindrome (77588577).

The spelling of 23435145 in words is "twenty-three million, four hundred thirty-five thousand, one hundred forty-five".