23017123 has 4 divisors (see below), whose sum is σ = 23027400. Its totient is φ = 23006848.

The previous prime is 23017103. The next prime is 23017147. The reversal of 23017123 is 32171032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23017123 - 2⁹ = 23016611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23017123.

It is not an unprimeable number, because it can be changed into a prime (23017103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (5756850).

Almost surely, 2^23017123 is an apocalyptic number.

23017123 is a deficient number, since it is larger than the sum of its proper divisors (10277).

23017123 is an equidigital number, since it uses as much as digits as its factorization.

23017123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 23017123 is about 4797.6163873324. The cubic root of 23017123 is about 284.4572537171.

Adding to 23017123 its reverse (32171032), we get a palindrome (55188155).

The spelling of 23017123 in words is "twenty-three million, seventeen thousand, one hundred twenty-three".