23040042221069 has 2 divisors, whose sum is σ = 23040042221070. Its totient is φ = 23040042221068.

The previous prime is 23040042220997. The next prime is 23040042221087. The reversal of 23040042221069 is 96012224004032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12566812300900 + 10473229920169 = 3544970^2 + 3236237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23040042221069 is a prime.

It is a super-2 number, since 2×23040042221069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23040042221089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520021110534 + 11520021110535.

It is an arithmetic number, because the mean of its divisors is an integer number (11520021110535).

Almost surely, 2^{23040042221069} is an apocalyptic number.

It is an amenable number.

23040042221069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040042221069 is an equidigital number, since it uses as much as digits as its factorization.

23040042221069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 23040042221069 in words is "twenty-three trillion, forty billion, forty-two million, two hundred twenty-one thousand, sixty-nine".