220312123 has 8 divisors (see below), whose sum is σ = 222902960. Its totient is φ = 217728000.

The previous prime is 220312109. The next prime is 220312187. The reversal of 220312123 is 321213022.

220312123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220312123 - 2¹³ = 220303931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220312097 and 220312106.

It is not an unprimeable number, because it can be changed into a prime (220312723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96748 + ... + 98998.

It is an arithmetic number, because the mean of its divisors is an integer number (27862870).

Almost surely, 2^220312123 is an apocalyptic number.

220312123 is a deficient number, since it is larger than the sum of its proper divisors (2590837).

220312123 is a wasteful number, since it uses less digits than its factorization.

220312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220312123 is about 14842.9149091410. The cubic root of 220312123 is about 603.9664277862.

Adding to 220312123 its reverse (321213022), we get a palindrome (541525145).

The spelling of 220312123 in words is "two hundred twenty million, three hundred twelve thousand, one hundred twenty-three".