4311220123 has 16 divisors (see below), whose sum is σ = 5004047104. Its totient is φ = 3637703520.

The previous prime is 4311220117. The next prime is 4311220141. The reversal of 4311220123 is 3210221134.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4311220123 - 2⁵ = 4311220091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4311220123.

It is not an unprimeable number, because it can be changed into a prime (4311229123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110061 + ... + 1113937.

It is an arithmetic number, because the mean of its divisors is an integer number (312752944).

Almost surely, 2^4311220123 is an apocalyptic number.

4311220123 is a deficient number, since it is larger than the sum of its proper divisors (692826981).

4311220123 is a wasteful number, since it uses less digits than its factorization.

4311220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4311220123 is about 65659.8821427514. The cubic root of 4311220123 is about 1627.5464766030.

Adding to 4311220123 its reverse (3210221134), we get a palindrome (7521441257).

The spelling of 4311220123 in words is "four billion, three hundred eleven million, two hundred twenty thousand, one hundred twenty-three".