223948799999 has 4 divisors (see below), whose sum is σ = 223974707664. Its totient is φ = 223922892336.

The previous prime is 223948799989. The next prime is 223948800011. The reversal of 223948799999 is 999997849322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999997849322 = 2 ⋅499998924661.

It is a cyclic number.

It is not a de Polignac number, because 223948799999 - 2⁸ = 223948799743 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 (223948799969) 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, 12940862 + ... + 12958155.

It is an arithmetic number, because the mean of its divisors is an integer number (55993676916).

Almost surely, 2^223948799999 is an apocalyptic number.

223948799999 is a deficient number, since it is larger than the sum of its proper divisors (25907665).

223948799999 is an equidigital number, since it uses as much as digits as its factorization.

223948799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25907664.

The product of its digits is 1428513408, while the sum is 80.

The spelling of 223948799999 in words is "two hundred twenty-three billion, nine hundred forty-eight million, seven hundred ninety-nine thousand, nine hundred ninety-nine".