1223240430 has 32 divisors (see below), whose sum is σ = 2955230208. Its totient is φ = 324036000.

The previous prime is 1223240429. The next prime is 1223240437. The reversal of 1223240430 is 340423221.

It is a junction number, because it is equal to n+sod(n) for n = 1223240397 and 1223240406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223240437) 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, 130486 + ... + 139545.

It is an arithmetic number, because the mean of its divisors is an integer number (92350944).

Almost surely, 2^1223240430 is an apocalyptic number.

1223240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223240430 is an abundant number, since it is smaller than the sum of its proper divisors (1731989778).

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

1223240430 is a wasteful number, since it uses less digits than its factorization.

1223240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270192.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1223240430 is about 34974.8542527342. The cubic root of 1223240430 is about 1069.4749308981.

Adding to 1223240430 its reverse (340423221), we get a palindrome (1563663651).

The spelling of 1223240430 in words is "one billion, two hundred twenty-three million, two hundred forty thousand, four hundred thirty".