23134445 has 4 divisors (see below), whose sum is σ = 27761340. Its totient is φ = 18507552.

The previous prime is 23134429. The next prime is 23134451. The reversal of 23134445 is 54443132.

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 14730244 + 8404201 = 3838^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 23134445 - 2⁴ = 23134429 is a prime.

It is a congruent 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, 2313440 + ... + 2313449.

It is an arithmetic number, because the mean of its divisors is an integer number (6940335).

Almost surely, 2^23134445 is an apocalyptic number.

It is an amenable number.

23134445 is a deficient number, since it is larger than the sum of its proper divisors (4626895).

23134445 is an equidigital number, since it uses as much as digits as its factorization.

23134445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626894.

The product of its digits is 5760, while the sum is 26.

The square root of 23134445 is about 4809.8279595013. The cubic root of 23134445 is about 284.9397430832.

Adding to 23134445 its reverse (54443132), we get a palindrome (77577577).

The spelling of 23134445 in words is "twenty-three million, one hundred thirty-four thousand, four hundred forty-five".