23452045 has 4 divisors (see below), whose sum is σ = 28142460. Its totient is φ = 18761632.

The previous prime is 23451997. The next prime is 23452049. The reversal of 23452045 is 54025432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4901796 + 18550249 = 2214^2 + 4307^2 .

It is a cyclic number.

It is not a de Polignac number, because 23452045 - 2¹¹ = 23449997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23452049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345200 + ... + 2345209.

It is an arithmetic number, because the mean of its divisors is an integer number (7035615).

Almost surely, 2^23452045 is an apocalyptic number.

It is an amenable number.

23452045 is a deficient number, since it is larger than the sum of its proper divisors (4690415).

23452045 is an equidigital number, since it uses as much as digits as its factorization.

23452045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690414.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 23452045 is about 4842.7311509106. The cubic root of 23452045 is about 286.2377479294.

Adding to 23452045 its reverse (54025432), we get a palindrome (77477477).

The spelling of 23452045 in words is "twenty-three million, four hundred fifty-two thousand, forty-five".