120213311223 has 4 divisors (see below), whose sum is σ = 160284414968. Its totient is φ = 80142207480.

The previous prime is 120213311213. The next prime is 120213311227. The reversal of 120213311223 is 322113312021.

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

It is a de Polignac number, because none of the positive numbers 2^k-120213311223 is a prime.

It is a super-3 number, since 3×120213311223³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120213311223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213311227) 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, 20035551868 + ... + 20035551873.

It is an arithmetic number, because the mean of its divisors is an integer number (40071103742).

Almost surely, 2^120213311223 is an apocalyptic number.

120213311223 is a deficient number, since it is larger than the sum of its proper divisors (40071103745).

120213311223 is an equidigital number, since it uses as much as digits as its factorization.

120213311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40071103744.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120213311223 its reverse (322113312021), we get a palindrome (442326623244).

The spelling of 120213311223 in words is "one hundred twenty billion, two hundred thirteen million, three hundred eleven thousand, two hundred twenty-three".