1223293452 has 12 divisors (see below), whose sum is σ = 2854351416. Its totient is φ = 407764480.

The previous prime is 1223293447. The next prime is 1223293453. The reversal of 1223293452 is 2543923221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1223293453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50970549 + ... + 50970572.

It is an arithmetic number, because the mean of its divisors is an integer number (237862618).

Almost surely, 2^1223293452 is an apocalyptic number.

1223293452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223293452 is an abundant number, since it is smaller than the sum of its proper divisors (1631057964).

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

1223293452 is a wasteful number, since it uses less digits than its factorization.

1223293452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101941128 (or 101941126 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 1223293452 is about 34975.6122462495. The cubic root of 1223293452 is about 1069.4903829927.

The spelling of 1223293452 in words is "one billion, two hundred twenty-three million, two hundred ninety-three thousand, four hundred fifty-two".