1223436130 has 32 divisors (see below), whose sum is σ = 2558050560. Its totient is φ = 412585920.

The previous prime is 1223436121. The next prime is 1223436131. The reversal of 1223436130 is 316343221.

It is a junction number, because it is equal to n+sod(n) for n = 1223436095 and 1223436104.

It is not an unprimeable number, because it can be changed into a prime (1223436131) 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, 138990 + ... + 147529.

It is an arithmetic number, because the mean of its divisors is an integer number (79939080).

Almost surely, 2^1223436130 is an apocalyptic number.

1223436130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223436130 is an abundant number, since it is smaller than the sum of its proper divisors (1334614430).

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

1223436130 is a wasteful number, since it uses less digits than its factorization.

1223436130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286594.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1223436130 is about 34977.6518651553. The cubic root of 1223436130 is about 1069.5319611374.

Adding to 1223436130 its reverse (316343221), we get a palindrome (1539779351).

The spelling of 1223436130 in words is "one billion, two hundred twenty-three million, four hundred thirty-six thousand, one hundred thirty".