22065137723 has 2 divisors, whose sum is σ = 22065137724. Its totient is φ = 22065137722.

The previous prime is 22065137713. The next prime is 22065137761. The reversal of 22065137723 is 32773156022.

It is a happy number.

It is an a-pointer prime, because the next prime (22065137761) can be obtained adding 22065137723 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22065137723 - 2⁴ = 22065137707 is a prime.

It is not a weakly prime, because it can be changed into another prime (22065137713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032568861 + 11032568862.

It is an arithmetic number, because the mean of its divisors is an integer number (11032568862).

Almost surely, 2^22065137723 is an apocalyptic number.

22065137723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22065137723 is an equidigital number, since it uses as much as digits as its factorization.

22065137723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 22065137723 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, seven hundred twenty-three".