1223420230 has 16 divisors (see below), whose sum is σ = 2210729760. Its totient is φ = 487462912.

The previous prime is 1223420183. The next prime is 1223420243. The reversal of 1223420230 is 320243221.

It is a junction number, because it is equal to n+sod(n) for n = 1223420198 and 1223420207.

It is a congruent number.

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, 235450 + ... + 240589.

It is an arithmetic number, because the mean of its divisors is an integer number (138170610).

Almost surely, 2^1223420230 is an apocalyptic number.

1223420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223420230 is a deficient number, since it is larger than the sum of its proper divisors (987309530).

1223420230 is a wasteful number, since it uses less digits than its factorization.

1223420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476303.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1223420230 is about 34977.4245764322. The cubic root of 1223420230 is about 1069.5273278396.

Adding to 1223420230 its reverse (320243221), we get a palindrome (1543663451).

The spelling of 1223420230 in words is "one billion, two hundred twenty-three million, four hundred twenty thousand, two hundred thirty".