23538445 has 16 divisors (see below), whose sum is σ = 32693760. Its totient is φ = 15934464.

The previous prime is 23538443. The next prime is 23538461. The reversal of 23538445 is 54483532.

It is not a de Polignac number, because 23538445 - 2¹ = 23538443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23538445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23538443) 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 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (2043360).

Almost surely, 2^23538445 is an apocalyptic number.

It is an amenable number.

23538445 is a deficient number, since it is larger than the sum of its proper divisors (9155315).

23538445 is an equidigital number, since it uses as much as digits as its factorization.

23538445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604.

The product of its digits is 57600, while the sum is 34.

The square root of 23538445 is about 4851.6435359577. The cubic root of 23538445 is about 286.5888279439.

The spelling of 23538445 in words is "twenty-three million, five hundred thirty-eight thousand, four hundred forty-five".