1223310040 has 32 divisors (see below), whose sum is σ = 2756799360. Its totient is φ = 488550400.

The previous prime is 1223310029. The next prime is 1223310059. The reversal of 1223310040 is 400133221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1223309996 and 1223310023.

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, 1785 + ... + 49495.

It is an arithmetic number, because the mean of its divisors is an integer number (86149980).

Almost surely, 2^1223310040 is an apocalyptic number.

1223310040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223310040 is an abundant number, since it is smaller than the sum of its proper divisors (1533489320).

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

1223310040 is a wasteful number, since it uses less digits than its factorization.

1223310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48363 (or 48359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1223310040 is about 34975.8493821094. The cubic root of 1223310040 is about 1069.4952171084.

Adding to 1223310040 its reverse (400133221), we get a palindrome (1623443261).

The spelling of 1223310040 in words is "one billion, two hundred twenty-three million, three hundred ten thousand, forty".