1923864412201 has 2 divisors, whose sum is σ = 1923864412202. Its totient is φ = 1923864412200.

The previous prime is 1923864412157. The next prime is 1923864412207. The reversal of 1923864412201 is 1022144683291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1889305230400 + 34559181801 = 1374520^2 + 185901^2 .

It is a cyclic number.

It is not a de Polignac number, because 1923864412201 - 2⁷ = 1923864412073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1923864412207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961932206100 + 961932206101.

It is an arithmetic number, because the mean of its divisors is an integer number (961932206101).

Almost surely, 2^{1923864412201} is an apocalyptic number.

It is an amenable number.

1923864412201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1923864412201 is an equidigital number, since it uses as much as digits as its factorization.

1923864412201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 1923864412201 in words is "one trillion, nine hundred twenty-three billion, eight hundred sixty-four million, four hundred twelve thousand, two hundred one".