23325431 has 4 divisors (see below), whose sum is σ = 23354664. Its totient is φ = 23296200.

The previous prime is 23325413. The next prime is 23325443. The reversal of 23325431 is 13452332.

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 23325431 - 2¹⁴ = 23309047 is a prime.

It is a super-2 number, since 2×23325431² = 1088151462671522, 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 = 23325397 and 23325406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23327431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13385 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (5838666).

Almost surely, 2^23325431 is an apocalyptic number.

23325431 is a deficient number, since it is larger than the sum of its proper divisors (29233).

23325431 is an equidigital number, since it uses as much as digits as its factorization.

23325431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29232.

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

The square root of 23325431 is about 4829.6408769183. The cubic root of 23325431 is about 285.7217002004.

Adding to 23325431 its reverse (13452332), we get a palindrome (36777763).

The spelling of 23325431 in words is "twenty-three million, three hundred twenty-five thousand, four hundred thirty-one".