23132445 has 32 divisors (see below), whose sum is σ = 42608640. Its totient is φ = 10497600.

The previous prime is 23132423. The next prime is 23132449. The reversal of 23132445 is 54423132.

It is not a de Polignac number, because 23132445 - 2¹¹ = 23130397 is a prime.

It is a super-2 number, since 2×23132445² = 1070220023356050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132449) 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 31 ways as a sum of consecutive naturals, for example, 15126 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (1331520).

Almost surely, 2^23132445 is an apocalyptic number.

It is an amenable number.

23132445 is a deficient number, since it is larger than the sum of its proper divisors (19476195).

23132445 is a wasteful number, since it uses less digits than its factorization.

23132445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its digits is 2880, while the sum is 24.

The square root of 23132445 is about 4809.6200473634. The cubic root of 23132445 is about 284.9315317212.

Adding to 23132445 its reverse (54423132), we get a palindrome (77555577).

The spelling of 23132445 in words is "twenty-three million, one hundred thirty-two thousand, four hundred forty-five".