23325545 has 4 divisors (see below), whose sum is σ = 27990660. Its totient is φ = 18660432.

The previous prime is 23325539. The next prime is 23325551. The reversal of 23325545 is 54552332.

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

It is an interprime number because it is at equal distance from previous prime (23325539) and next prime (23325551).

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 20529961 = 1672^2 + 4531^2 .

It is a cyclic number.

It is not a de Polignac number, because 23325545 - 2¹² = 23321449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332550 + ... + 2332559.

It is an arithmetic number, because the mean of its divisors is an integer number (6997665).

Almost surely, 2^23325545 is an apocalyptic number.

It is an amenable number.

23325545 is a deficient number, since it is larger than the sum of its proper divisors (4665115).

23325545 is an equidigital number, since it uses as much as digits as its factorization.

23325545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665114.

The product of its digits is 18000, while the sum is 29.

The square root of 23325545 is about 4829.6526790236. The cubic root of 23325545 is about 285.7221656755.

Adding to 23325545 its reverse (54552332), we get a palindrome (77877877).

The spelling of 23325545 in words is "twenty-three million, three hundred twenty-five thousand, five hundred forty-five".