23223545 has 8 divisors (see below), whose sum is σ = 27903624. Its totient is φ = 18555264.

The previous prime is 23223527. The next prime is 23223553. The reversal of 23223545 is 54532232.

It can be written as a sum of positive squares in 4 ways, for example, as 1283689 + 21939856 = 1133^2 + 4684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (3487953).

Almost surely, 2^23223545 is an apocalyptic number.

It is an amenable number.

23223545 is a deficient number, since it is larger than the sum of its proper divisors (4680079).

23223545 is an equidigital number, since it uses as much as digits as its factorization.

23223545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899.

The product of its digits is 7200, while the sum is 26.

The square root of 23223545 is about 4819.0813439908. The cubic root of 23223545 is about 285.3050801003.

Adding to 23223545 its reverse (54532232), we get a palindrome (77755777).

The spelling of 23223545 in words is "twenty-three million, two hundred twenty-three thousand, five hundred forty-five".