23253145 has 8 divisors (see below), whose sum is σ = 28011456. Its totient is φ = 18530736.

The previous prime is 23253143. The next prime is 23253149. The reversal of 23253145 is 54135232.

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 23253145 - 2¹ = 23253143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23253143) 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 7 ways as a sum of consecutive naturals, for example, 7527 + ... + 10156.

It is an arithmetic number, because the mean of its divisors is an integer number (3501432).

Almost surely, 2^23253145 is an apocalyptic number.

It is an amenable number.

23253145 is a deficient number, since it is larger than the sum of its proper divisors (4758311).

23253145 is a wasteful number, since it uses less digits than its factorization.

23253145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17951.

The product of its digits is 3600, while the sum is 25.

The square root of 23253145 is about 4822.1514907767. The cubic root of 23253145 is about 285.4262422655.

Adding to 23253145 its reverse (54135232), we get a palindrome (77388377).

The spelling of 23253145 in words is "twenty-three million, two hundred fifty-three thousand, one hundred forty-five".