20223431304061 has 2 divisors, whose sum is σ = 20223431304062. Its totient is φ = 20223431304060.

The previous prime is 20223431304019. The next prime is 20223431304071. The reversal of 20223431304061 is 16040313432202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17681099912100 + 2542331391961 = 4204890^2 + 1594469^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223431304061 - 2²⁹ = 20222894433149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223431304071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111715652030 + 10111715652031.

It is an arithmetic number, because the mean of its divisors is an integer number (10111715652031).

Almost surely, 2^{20223431304061} is an apocalyptic number.

It is an amenable number.

20223431304061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223431304061 is an equidigital number, since it uses as much as digits as its factorization.

20223431304061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20223431304061 its reverse (16040313432202), we get a palindrome (36263744736263).

The spelling of 20223431304061 in words is "twenty trillion, two hundred twenty-three billion, four hundred thirty-one million, three hundred four thousand, sixty-one".