220123113 has 32 divisors (see below), whose sum is σ = 354032640. Its totient is φ = 118843200.

The previous prime is 220123109. The next prime is 220123121. The reversal of 220123113 is 311321022.

It is not a de Polignac number, because 220123113 - 2² = 220123109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220123092 and 220123101.

It is not an unprimeable number, because it can be changed into a prime (220123153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279306 + ... + 280092.

It is an arithmetic number, because the mean of its divisors is an integer number (11063520).

Almost surely, 2^220123113 is an apocalyptic number.

It is an amenable number.

220123113 is a deficient number, since it is larger than the sum of its proper divisors (133909527).

220123113 is a wasteful number, since it uses less digits than its factorization.

220123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220123113 is about 14836.5465321280. The cubic root of 220123113 is about 603.7936602387.

Adding to 220123113 its reverse (311321022), we get a palindrome (531444135).

The spelling of 220123113 in words is "two hundred twenty million, one hundred twenty-three thousand, one hundred thirteen".