25523223 has 16 divisors (see below), whose sum is σ = 37756800. Its totient is φ = 15205280.

The previous prime is 25523221. The next prime is 25523231. The reversal of 25523223 is 32232552.

It is a cyclic number.

It is not a de Polignac number, because 25523223 - 2¹ = 25523221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25523193 and 25523202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25523221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4608 + ... + 8501.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 2^25523223 is an apocalyptic number.

25523223 is a deficient number, since it is larger than the sum of its proper divisors (12233577).

25523223 is a wasteful number, since it uses less digits than its factorization.

25523223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13182.

The product of its digits is 3600, while the sum is 24.

The square root of 25523223 is about 5052.0513655346. The cubic root of 25523223 is about 294.4275905968.

Adding to 25523223 its reverse (32232552), we get a palindrome (57755775).

It can be divided in two parts, 255232 and 23, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 25523223 in words is "twenty-five million, five hundred twenty-three thousand, two hundred twenty-three".