223111343120 has 40 divisors (see below), whose sum is σ = 519115267800. Its totient is φ = 89178920960.

The previous prime is 223111343113. The next prime is 223111343123. The reversal of 223111343120 is 21343111322.

223111343120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51609856 + 223059733264 = 7184^2 + 472292^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×223111343120³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223111343123) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 915695 + ... + 1133454.

It is an arithmetic number, because the mean of its divisors is an integer number (12977881695).

Almost surely, 2^223111343120 is an apocalyptic number.

223111343120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223111343120 is an abundant number, since it is smaller than the sum of its proper divisors (296003924680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223111343120 is a wasteful number, since it uses less digits than its factorization.

223111343120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050523 (or 2050517 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 223111343120 its reverse (21343111322), we get a palindrome (244454454442).

The spelling of 223111343120 in words is "two hundred twenty-three billion, one hundred eleven million, three hundred forty-three thousand, one hundred twenty".