1623222193279 has 4 divisors (see below), whose sum is σ = 1635613202520. Its totient is φ = 1610831184040.

The previous prime is 1623222193273. The next prime is 1623222193301. The reversal of 1623222193279 is 9723912223261.

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 1623222193279 - 2¹⁷ = 1623222062207 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 (1623222193273) 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, 6195504424 + ... + 6195504685.

It is an arithmetic number, because the mean of its divisors is an integer number (408903300630).

Almost surely, 2^{1623222193279} is an apocalyptic number.

1623222193279 is a deficient number, since it is larger than the sum of its proper divisors (12391009241).

1623222193279 is a wasteful number, since it uses less digits than its factorization.

1623222193279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391009240.

The product of its digits is 979776, while the sum is 49.

The spelling of 1623222193279 in words is "one trillion, six hundred twenty-three billion, two hundred twenty-two million, one hundred ninety-three thousand, two hundred seventy-nine".