20113230223819 has 2 divisors, whose sum is σ = 20113230223820. Its totient is φ = 20113230223818.

The previous prime is 20113230223811. The next prime is 20113230223831. The reversal of 20113230223819 is 91832203231102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113230223819 - 2³ = 20113230223811 is a prime.

It is a super-2 number, since 2×20113230223819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20113230223811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056615111909 + 10056615111910.

It is an arithmetic number, because the mean of its divisors is an integer number (10056615111910).

Almost surely, 2^{20113230223819} is an apocalyptic number.

20113230223819 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113230223819 is an equidigital number, since it uses as much as digits as its factorization.

20113230223819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 20113230223819 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty million, two hundred twenty-three thousand, eight hundred nineteen".