223213420999 has 16 divisors (see below), whose sum is σ = 228173184000. Its totient is φ = 218302961184.

The previous prime is 223213420987. The next prime is 223213421083. The reversal of 223213420999 is 999024312322.

It is not a de Polignac number, because 223213420999 - 2⁹ = 223213420487 is a prime.

It is a super-3 number, since 3×223213420999³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213420909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29216422 + ... + 29224060.

It is an arithmetic number, because the mean of its divisors is an integer number (14260824000).

Almost surely, 2^223213420999 is an apocalyptic number.

223213420999 is a deficient number, since it is larger than the sum of its proper divisors (4959763001).

223213420999 is a wasteful number, since it uses less digits than its factorization.

223213420999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 223213420999 in words is "two hundred twenty-three billion, two hundred thirteen million, four hundred twenty thousand, nine hundred ninety-nine".