1923205939201 has 4 divisors (see below), whose sum is σ = 1932320659504. Its totient is φ = 1914091218900.

The previous prime is 1923205939181. The next prime is 1923205939223. The reversal of 1923205939201 is 1029395023291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1923205939201 - 2²⁵ = 1923172384769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1923205139201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557359835 + ... + 4557360256.

It is an arithmetic number, because the mean of its divisors is an integer number (483080164876).

Almost surely, 2^{1923205939201} is an apocalyptic number.

It is an amenable number.

1923205939201 is a deficient number, since it is larger than the sum of its proper divisors (9114720303).

1923205939201 is an equidigital number, since it uses as much as digits as its factorization.

1923205939201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114720302.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 1923205939201 in words is "one trillion, nine hundred twenty-three billion, two hundred five million, nine hundred thirty-nine thousand, two hundred one".