23425331 has 4 divisors (see below), whose sum is σ = 23448432. Its totient is φ = 23402232.

The previous prime is 23425321. The next prime is 23425343. The reversal of 23425331 is 13352432.

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

It is a cyclic number.

It is not a de Polignac number, because 23425331 - 2⁶ = 23425267 is a prime.

It is a super-2 number, since 2×23425331² = 1097492264919122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23425297 and 23425306.

It is not an unprimeable number, because it can be changed into a prime (23425321) 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 3 ways as a sum of consecutive naturals, for example, 9956 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (5862108).

Almost surely, 2^23425331 is an apocalyptic number.

23425331 is a deficient number, since it is larger than the sum of its proper divisors (23101).

23425331 is a wasteful number, since it uses less digits than its factorization.

23425331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23100.

The product of its digits is 2160, while the sum is 23.

The square root of 23425331 is about 4839.9722106640. The cubic root of 23425331 is about 286.1290230768.

Adding to 23425331 its reverse (13352432), we get a palindrome (36777763).

The spelling of 23425331 in words is "twenty-three million, four hundred twenty-five thousand, three hundred thirty-one".