23512123 has 2 divisors, whose sum is σ = 23512124. Its totient is φ = 23512122.

The previous prime is 23512087. The next prime is 23512129. The reversal of 23512123 is 32121532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23512123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23512123.

It is not a weakly prime, because it can be changed into another prime (23512129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756061 + 11756062.

It is an arithmetic number, because the mean of its divisors is an integer number (11756062).

Almost surely, 2^23512123 is an apocalyptic number.

23512123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23512123 is an equidigital number, since it uses as much as digits as its factorization.

23512123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 23512123 is about 4848.9300881741. The cubic root of 23512123 is about 286.4819615704.

Adding to 23512123 its reverse (32121532), we get a palindrome (55633655).

The spelling of 23512123 in words is "twenty-three million, five hundred twelve thousand, one hundred twenty-three".