23825155 has 8 divisors (see below), whose sum is σ = 28858032. Its totient is φ = 18881568.

The previous prime is 23825129. The next prime is 23825159. The reversal of 23825155 is 55152832.

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 23825155 - 2¹³ = 23816963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23825159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21732 + ... + 22801.

It is an arithmetic number, because the mean of its divisors is an integer number (3607254).

Almost surely, 2^23825155 is an apocalyptic number.

23825155 is a deficient number, since it is larger than the sum of its proper divisors (5032877).

23825155 is a wasteful number, since it uses less digits than its factorization.

23825155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44645.

The product of its digits is 12000, while the sum is 31.

The square root of 23825155 is about 4881.1018223348. The cubic root of 23825155 is about 287.7477335411.

Adding to 23825155 its reverse (55152832), we get a palindrome (78977987).

The spelling of 23825155 in words is "twenty-three million, eight hundred twenty-five thousand, one hundred fifty-five".