1223725230 has 96 divisors (see below), whose sum is σ = 3915946944. Its totient is φ = 258190848.

The previous prime is 1223725219. The next prime is 1223725249. The reversal of 1223725230 is 325273221.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223725194 and 1223725203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66519 + ... + 82898.

It is an arithmetic number, because the mean of its divisors is an integer number (40791114).

Almost surely, 2^1223725230 is an apocalyptic number.

1223725230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223725230 is an abundant number, since it is smaller than the sum of its proper divisors (2692221714).

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

1223725230 is a wasteful number, since it uses less digits than its factorization.

1223725230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149450 (or 149447 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1223725230 is about 34981.7842598116. The cubic root of 1223725230 is about 1069.6161985653.

Adding to 1223725230 its reverse (325273221), we get a palindrome (1548998451).

The spelling of 1223725230 in words is "one billion, two hundred twenty-three million, seven hundred twenty-five thousand, two hundred thirty".