23145022 has 8 divisors (see below), whose sum is σ = 34931016. Its totient is φ = 11501352.

The previous prime is 23145019. The next prime is 23145053. The reversal of 23145022 is 22054132.

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

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, 35173 + ... + 35824.

It is an arithmetic number, because the mean of its divisors is an integer number (4366377).

Almost surely, 2^23145022 is an apocalyptic number.

23145022 is a deficient number, since it is larger than the sum of its proper divisors (11785994).

23145022 is a wasteful number, since it uses less digits than its factorization.

23145022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71162.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23145022 is about 4810.9273534320. The cubic root of 23145022 is about 284.9831610037.

Adding to 23145022 its reverse (22054132), we get a palindrome (45199154).

The spelling of 23145022 in words is "twenty-three million, one hundred forty-five thousand, twenty-two".