220010123 has 4 divisors (see below), whose sum is σ = 220182888. Its totient is φ = 219837360.

The previous prime is 220010117. The next prime is 220010129. The reversal of 220010123 is 321010022.

It is a happy number.

220010123 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 is an interprime number because it is at equal distance from previous prime (220010117) and next prime (220010129).

It is a cyclic number.

It is not a de Polignac number, because 220010123 - 2¹⁶ = 219944587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220010129) 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, 84458 + ... + 87023.

It is an arithmetic number, because the mean of its divisors is an integer number (55045722).

Almost surely, 2^220010123 is an apocalyptic number.

220010123 is a deficient number, since it is larger than the sum of its proper divisors (172765).

220010123 is a wasteful number, since it uses less digits than its factorization.

220010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172764.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220010123 is about 14832.7382165263. The cubic root of 220010123 is about 603.6903327249.

Adding to 220010123 its reverse (321010022), we get a palindrome (541020145).

The spelling of 220010123 in words is "two hundred twenty million, ten thousand, one hundred twenty-three".