1223242430 has 16 divisors (see below), whose sum is σ = 2211455520. Its totient is φ = 487159392.

The previous prime is 1223242409. The next prime is 1223242441. The reversal of 1223242430 is 342423221.

It is a junction number, because it is equal to n+sod(n) for n = 1223242396 and 1223242405.

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, 264794 + ... + 269373.

It is an arithmetic number, because the mean of its divisors is an integer number (138215970).

Almost surely, 2^1223242430 is an apocalyptic number.

1223242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223242430 is a deficient number, since it is larger than the sum of its proper divisors (988213090).

1223242430 is a wasteful number, since it uses less digits than its factorization.

1223242430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534403.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1223242430 is about 34974.8828446930. The cubic root of 1223242430 is about 1069.4755137621.

Adding to 1223242430 its reverse (342423221), we get a palindrome (1565665651).

The spelling of 1223242430 in words is "one billion, two hundred twenty-three million, two hundred forty-two thousand, four hundred thirty".