23040042221123 has 2 divisors, whose sum is σ = 23040042221124. Its totient is φ = 23040042221122.

The previous prime is 23040042221089. The next prime is 23040042221129. The reversal of 23040042221123 is 32112224004032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23040042221123 - 2¹⁰ = 23040042220099 is a prime.

It is a super-2 number, since 2×23040042221123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23040042221092 and 23040042221101.

It is not a weakly prime, because it can be changed into another prime (23040042221129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520021110561 + 11520021110562.

It is an arithmetic number, because the mean of its divisors is an integer number (11520021110562).

Almost surely, 2^{23040042221123} is an apocalyptic number.

23040042221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040042221123 is an equidigital number, since it uses as much as digits as its factorization.

23040042221123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23040042221123 its reverse (32112224004032), we get a palindrome (55152266225155).

The spelling of 23040042221123 in words is "twenty-three trillion, forty billion, forty-two million, two hundred twenty-one thousand, one hundred twenty-three".