20223842239 has 2 divisors, whose sum is σ = 20223842240. Its totient is φ = 20223842238.

The previous prime is 20223842227. The next prime is 20223842257. The reversal of 20223842239 is 93224832202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20223842239 - 2⁵ = 20223842207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223842198 and 20223842207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223846239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111921119 + 10111921120.

It is an arithmetic number, because the mean of its divisors is an integer number (10111921120).

Almost surely, 2^20223842239 is an apocalyptic number.

20223842239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223842239 is an equidigital number, since it uses as much as digits as its factorization.

20223842239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 20223842239 in words is "twenty billion, two hundred twenty-three million, eight hundred forty-two thousand, two hundred thirty-nine".