23101321123 has 2 divisors, whose sum is σ = 23101321124. Its totient is φ = 23101321122.

The previous prime is 23101321013. The next prime is 23101321151. The reversal of 23101321123 is 32112310132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23101321123 - 2¹³ = 23101312931 is a prime.

It is a super-2 number, since 2×23101321123² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23101321123.

It is not a weakly prime, because it can be changed into another prime (23101321823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550660561 + 11550660562.

It is an arithmetic number, because the mean of its divisors is an integer number (11550660562).

Almost surely, 2^23101321123 is an apocalyptic number.

23101321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101321123 is an equidigital number, since it uses as much as digits as its factorization.

23101321123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23101321123 its reverse (32112310132), we get a palindrome (55213631255).

The spelling of 23101321123 in words is "twenty-three billion, one hundred one million, three hundred twenty-one thousand, one hundred twenty-three".