223120311002 has 4 divisors (see below), whose sum is σ = 334680466506. Its totient is φ = 111560155500.

The previous prime is 223120310999. The next prime is 223120311107. The reversal of 223120311002 is 200113021322.

223120311002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 220598363041 + 2521947961 = 469679^2 + 50219^2 .

It is a super-3 number, since 3×223120311002³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55780077749 + ... + 55780077752.

Almost surely, 2^223120311002 is an apocalyptic number.

223120311002 is a deficient number, since it is larger than the sum of its proper divisors (111560155504).

223120311002 is a wasteful number, since it uses less digits than its factorization.

223120311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111560155503.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223120311002 its reverse (200113021322), we get a palindrome (423233332324).

The spelling of 223120311002 in words is "two hundred twenty-three billion, one hundred twenty million, three hundred eleven thousand, two".