19200121213223 has 4 divisors (see below), whose sum is σ = 19200208155648. Its totient is φ = 19200034270800.

The previous prime is 19200121213213. The next prime is 19200121213253. The reversal of 19200121213223 is 32231212100291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19200121213223 - 2³⁶ = 19131401736487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19200121213213) 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, 43139111 + ... + 43581912.

It is an arithmetic number, because the mean of its divisors is an integer number (4800052038912).

Almost surely, 2^{19200121213223} is an apocalyptic number.

19200121213223 is a deficient number, since it is larger than the sum of its proper divisors (86942425).

19200121213223 is an equidigital number, since it uses as much as digits as its factorization.

19200121213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86942424.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 19200121213223 in words is "nineteen trillion, two hundred billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-three".