23162845 has 8 divisors (see below), whose sum is σ = 27848664. Its totient is φ = 18494784.

The previous prime is 23162837. The next prime is 23162849. The reversal of 23162845 is 54826132.

It can be written as a sum of positive squares in 4 ways, for example, as 3617604 + 19545241 = 1902^2 + 4421^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23162845 - 2³ = 23162837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23162849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (3481083).

Almost surely, 2^23162845 is an apocalyptic number.

It is an amenable number.

23162845 is a deficient number, since it is larger than the sum of its proper divisors (4685819).

23162845 is an equidigital number, since it uses as much as digits as its factorization.

23162845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879.

The product of its digits is 11520, while the sum is 31.

The square root of 23162845 is about 4812.7793425421. The cubic root of 23162845 is about 285.0562933841.

Adding to 23162845 its reverse (54826132), we get a palindrome (77988977).

The spelling of 23162845 in words is "twenty-three million, one hundred sixty-two thousand, eight hundred forty-five".