1223041530 has 16 divisors (see below), whose sum is σ = 2935299744. Its totient is φ = 326144400.

The previous prime is 1223041513. The next prime is 1223041577. The reversal of 1223041530 is 351403221.

It is a junction number, because it is equal to n+sod(n) for n = 1223041497 and 1223041506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20383996 + ... + 20384055.

It is an arithmetic number, because the mean of its divisors is an integer number (183456234).

Almost surely, 2^1223041530 is an apocalyptic number.

1223041530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223041530 is an abundant number, since it is smaller than the sum of its proper divisors (1712258214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223041530 is a wasteful number, since it uses less digits than its factorization.

1223041530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40768061.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1223041530 is about 34972.0106656738. The cubic root of 1223041530 is about 1069.4169618924.

Adding to 1223041530 its reverse (351403221), we get a palindrome (1574444751).

The spelling of 1223041530 in words is "one billion, two hundred twenty-three million, forty-one thousand, five hundred thirty".