2220015123 has 6 divisors (see below), whose sum is σ = 3206688524. Its totient is φ = 1480010076.

The previous prime is 2220015113. The next prime is 2220015139. The reversal of 2220015123 is 3215100222.

It is not a de Polignac number, because 2220015123 - 2²² = 2215820819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220015096 and 2220015105.

It is not an unprimeable number, because it can be changed into a prime (2220015113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123334165 + ... + 123334182.

Almost surely, 2^2220015123 is an apocalyptic number.

2220015123 is a deficient number, since it is larger than the sum of its proper divisors (986673401).

2220015123 is a wasteful number, since it uses less digits than its factorization.

2220015123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246668353 (or 246668350 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2220015123 is about 47117.0364411855. The cubic root of 2220015123 is about 1304.5237122160.

Adding to 2220015123 its reverse (3215100222), we get a palindrome (5435115345).

The spelling of 2220015123 in words is "two billion, two hundred twenty million, fifteen thousand, one hundred twenty-three".