1230440223 has 16 divisors (see below), whose sum is σ = 1732550400. Its totient is φ = 775171584.

The previous prime is 1230440149. The next prime is 1230440257. The reversal of 1230440223 is 3220440321.

It is not a de Polignac number, because 1230440223 - 2¹⁶ = 1230374687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230440923) 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, 101698 + ... + 113151.

It is an arithmetic number, because the mean of its divisors is an integer number (108284400).

Almost surely, 2^1230440223 is an apocalyptic number.

1230440223 is a deficient number, since it is larger than the sum of its proper divisors (502110177).

1230440223 is a wasteful number, since it uses less digits than its factorization.

1230440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214958.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1230440223 is about 35077.6313767050. The cubic root of 1230440223 is about 1071.5690791298.

Adding to 1230440223 its reverse (3220440321), we get a palindrome (4450880544).

The spelling of 1230440223 in words is "one billion, two hundred thirty million, four hundred forty thousand, two hundred twenty-three".