23545153 has 4 divisors (see below), whose sum is σ = 24930180. Its totient is φ = 22160128.

The previous prime is 23545147. The next prime is 23545177. The reversal of 23545153 is 35154532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 4986289 = 4308^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545153 - 2⁹ = 23544641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23545103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692488 + ... + 692521.

It is an arithmetic number, because the mean of its divisors is an integer number (6232545).

Almost surely, 2^23545153 is an apocalyptic number.

It is an amenable number.

23545153 is a deficient number, since it is larger than the sum of its proper divisors (1385027).

23545153 is a wasteful number, since it uses less digits than its factorization.

23545153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385026.

The product of its digits is 9000, while the sum is 28.

The square root of 23545153 is about 4852.3347988365. The cubic root of 23545153 is about 286.6160494429.

Adding to 23545153 its reverse (35154532), we get a palindrome (58699685).

The spelling of 23545153 in words is "twenty-three million, five hundred forty-five thousand, one hundred fifty-three".