20223431401 has 2 divisors, whose sum is σ = 20223431402. Its totient is φ = 20223431400.

The previous prime is 20223431369. The next prime is 20223431429. The reversal of 20223431401 is 10413432202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20037818025 + 185613376 = 141555^2 + 13624^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223431401 - 2⁵ = 20223431369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20223431441) 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, 10111715700 + 10111715701.

It is an arithmetic number, because the mean of its divisors is an integer number (10111715701).

Almost surely, 2^20223431401 is an apocalyptic number.

It is an amenable number.

20223431401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223431401 is an equidigital number, since it uses as much as digits as its factorization.

20223431401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20223431401 its reverse (10413432202), we get a palindrome (30636863603).

The spelling of 20223431401 in words is "twenty billion, two hundred twenty-three million, four hundred thirty-one thousand, four hundred one".