23045 has 8 divisors (see below), whose sum is σ = 30240. Its totient is φ = 16720.

The previous prime is 23041. The next prime is 23053. The reversal of 23045 is 54032.

23045 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 23045 - 2² = 23041 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041) 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, 155 + ... + 264.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

2²³⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

23045 is a deficient number, since it is larger than the sum of its proper divisors (7195).

23045 is a wasteful number, since it uses less digits than its factorization.

23045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23045 is about 151.8057969908. The cubic root of 23045 is about 28.4572046744.

Adding to 23045 its reverse (54032), we get a palindrome (77077).

The spelling of 23045 in words is "twenty-three thousand, forty-five".